53 patents
Page 2 of 3
Utility
Safety Device for Providing Output to an Individual Associated with a Hazardous Environment
18 Aug 22
Provided are computer-implemented systems and methods for a device that includes at least one processor programmed or configured to receive one or more messages from a device in an transmit state, the one or more messages comprising a first message received at a first power level, the first message comprising data associated with a power level at which the first message was transmitted by the transmitting device, and a second messages received at a second power level, the second message comprising data associated with a power level at which the second message was transmitted by the transmitting device.
Clinton Sean Fleming, Jason Paul Eaton, Alec Cantor
Filed: 26 Apr 22
Utility
Pressure Regulator Assembly and Bypass Assembly for a Self-contained Breathing Apparatus
30 Jun 22
A pressure regulator assembly for an SCBA includes a valve assembly having a piston, a cylinder for receiving the piston, a sealing member for engagement by the piston, a conduit extending through the piston and facilitating fluid communication between an inlet chamber and a cavity of the cylinder, and a driving assembly for facilitating the engagement and disengagement of the piston responsive to a change of pressure in the outlet chamber.
Longteng Yu, Lida Zhu, Carsten Christian Leuschner, Wolfgang Heinz Adolf Kirchner
Filed: 17 Mar 22
Utility
Dual Mode Breathing Apparatus
17 Mar 22
A breathing apparatus includes a tank containing pressurized breathing gas, a regulator having an inlet connected to the tank, an outlet for providing breathing gas to a user, and a valve configured for controlling a flow of breathing gas between the inlet and the outlet.
Nicholas R. Neugebauer, Michael Laskowski, Marco Tekelenburg
Filed: 10 Sep 21
Utility
Respirator Mask with Exhalation Filter
23 Dec 21
A respirator mask includes a face piece configured for contacting at least a portion of a face of a user, a head harness for attaching the respirator mask to a head of the user, at least one opening on the face piece, and at least one filter associated with the opening on the face piece.
Aaron Tyler Jewitt, Kayleigh Nichelle Westbrook, Adam Bilger
Filed: 15 Jun 21
Utility
Open Path Gas Detector with Synchronous Flash Detection
30 Sep 21
An open path gas detector for detecting the presence of a target gas in the presence of fog or water vapor.
Regis J. Nero, JR., David M. Gherardi
Filed: 31 Mar 20
Utility
Hearing Protection Device
2 Sep 21
A hearing protection device has a base (11) configured for connecting to a lateral portion of a protective helmet (1), an ear cup (20) configured for covering an ear of a user, and a support (30) connecting the ear cup (20) to the base (11).
Clément Ginguenaud, Amaury Sicre, Alois Chabanne, Nicolas Prely
Filed: 18 Jun 19
Utility
Safety Helmet
15 Jul 21
A safety helmet includes an outer shell configured for surrounding a head of a user, and an infrared reflective layer disposed in an interior of the outer shell.
Celeste L. Hort, Michael Goodspeed, Kevin R. Ketterer, Jefferson S. Mendenhall, Matthew C. Miller, James R. Tomlinson
Filed: 12 Jan 21
Utility
Carabiner Divider and Fall Arrest System
8 Jul 21
A divider for a carabiner in a fall arrest system, the carabiner having a frame; and an openable gate and configured to be moved between an open position and a closed position, the divider comprising a body having: (i) a central body portion; and (ii) a plurality of connection portions extending from the central body portion and configured to attach the divider to at least a portion of the frame, wherein the plurality of connection portions are spaced and divide the carabiner into a plurality of areas for connection of the at least one component of the harness arrangement and the at least one fall arrest device.
Owain Jones, Karl Jones
Filed: 22 Mar 21
Utility
Detection of Blockage In a Porous Member
1 Jul 21
A method of detecting at least a partial blockage in a porous member separating a first volume from a second volume or inner chamber of a device includes emitting pressure waves within the inner chamber by changing a volume of the inner chamber, measuring a response via a pressure sensor responsive to pressure waves positioned within the inner chamber, and determining if at least a partial blockage is present in the porous member based upon the response of the pressure sensor.
Alexander Stokoe, Harry Bullivant, Shane Kelleher
Filed: 17 Mar 21
Utility
Operation of Combustible Gas Sensor In a Dynamic Mode with a Constant Resistance Setpoint
17 Jun 21
A method of operating a sensing element including a heating element in operative connection with electronic circuitry, wherein the sensing element forms a resistive element in a circuit of the electronic circuitry, includes, in at least a first phase, activating the electronic circuitry to heat the sensing element to a temperature at which the sensing element is responsive to an analyte gas via energy input to the heating element in a pulsed manner.
Daniel D. Santoro, JR., Meghan E. Swanson, Michael Alvin Brown
Filed: 11 Dec 19
Utility
Dynamic Comparative Diagnostics for Catalytic Structures and Combustible Gas Sensors Including Catalytic Structures
17 Jun 21
A combustible gas sensor for detecting an analyte gas includes a first element including a first electric heating element, a first support structure on the first electric heating element and a first catalyst supported on the first support structure and electronic circuitry in electrical connection with the first element.
Mark Flori Zanella, SR., Michael Alvin Brown, Meghan E. Swanson, Daniel D. Santoro, JR., Jeff Audia, Ryan Alan Sherry
Filed: 1 Mar 21
Utility
Sensor Interrogation
20 May 21
A system includes a system housing including an inlet, at least one gas sensor responsive to a first analyte gas other than oxygen within the system housing and in fluid connection with the inlet, and a sensor responsive to oxygen within the system housing and in fluid connection with the inlet.
Towner Bennett Scheffler, Michael Alvin Brown, Brian Keith Davis
Filed: 1 Feb 21
Utility
Articulated Harness Connection Arrangement with Integrated Retractable Attachment Element
30 Dec 20
A connection arrangement for use with a wearable body harness includes a first connector having a first body component, a second body component, and an attachment element connected to each other by a rod having a longitudinal axis.
Michael D. Monahan, Mark Hall, Eduardo José Ferreira Dodge
Filed: 24 Jun 20
Utility
Detection of Blockage In a Porous Member
23 Dec 20
A gas sensor device including a housing, a porous member through which the analyte gas is transportable in operative connection with the a of the housing to separate an inner chamber of the housing from the ambient environment, a gas sensor responsive to the analyte gas within the inner chamber, a source of pressure waves positioned within the inner chamber and spaced from the porous member so that any pressure waves emitted from the source of pressure waves that are transmitted out of the inner chamber are transmitted through the porous member, a sensor responsive to pressure waves, and circuitry in operative connection with the sensor responsive to pressure waves to relate a phase of a measured response of the sensor responsive to pressure waves to a state of blockage in the porous member.
JERIN MILLER, RYAN ALAN SHERRY, ROBERT KEVIN SEXTON, ROBERT ERIC UBER
Filed: 31 Aug 20
Utility
Sensor for Compositions Which Deposit Upon a Surface from a Gaseous Matrix
16 Dec 20
A sensor system for detecting mass deposition from a gaseous environment includes a first sensor element including a first electrically conductive heating component and a first interface structure on the first electrically conductive heating component.
Meghan E. Swanson, Daniel D. Santoro, JR., Michael Alvin Brown, Mark Flori Zanella, SR.
Filed: 10 Jun 19
Utility
Interrogation of Capillary-limited Sensors
16 Dec 20
A method of operating a gas detection device including a capillary-limited, electrochemical gas sensor includes operating the gas sensor in a sensing mode during which a signal from the gas sensor is representative of a concentration of the analyte gas measured by the gas sensor and in an interrogation mode during which the gas sensor is electronically interrogated by applying an electric signal to the gas sensor to generate a non-faradaic current flow between a working electrode and a counter electrode without the application of a test gas, periodically entering the interrogation mode, measuring a parameter of a gas sensor output during the interrogation mode, comparing the measured parameter to one or more previously measured parameters, determining an operational state from the comparison, and returning the gas sensor to the sensing mode if the operational state is determined to be within a predetermined range.
Towner Bennett Scheffler
Filed: 10 Jun 19
Utility
Detection of Blockage In a Porous Member
16 Dec 20
A gas sensor device to detect an analyte gas in an ambient environment includes a housing including an inner chamber and a port, a porous member through which the analyte gas transports in operative connection with the port to separate the inner chamber from the ambient environment, a sensor responsive to the analyte positioned within the inner chamber, a source of pressure waves positioned within the inner chamber, a sensor responsive to pressure waves positioned within the inner chamber; and circuitry in operative connection with the sensor responsive to pressure waves to relate a response of the sensor responsive to pressure waves to a state of blockage in the porous member.
JERIN MILLER, RYAN ALAN SHERRY, ROBERT KEVIN SEXTON, ROBERT ERIC UBER
Filed: 31 Aug 20
Utility
Gas Sensor with Separate Contaminant Detection Element
16 Dec 20
A system for detecting an analyte gas in an environment includes a first gas sensor, a first contaminant sensor separate and spaced from the first gas sensor, and electronic circuitry in electrical connection with the first gas sensor to determine if the analyte gas is present based on a response of the first gas sensor.
Meghan E. Swanson, Daniel D. Santoro, JR., Michael Alvin Brown, Mark Flori Zanella, SR., Christopher S. Detka
Filed: 10 Jun 19
Utility
Adjustment Mechanism and Headband Arrangement for Flexible Helmet Headband
9 Dec 20
An adjustment mechanism and headband arrangement are disclosed herein, the adjustment mechanism including an elongated cord configured for extending around a perimeter of the headband arrangement; and a locking member receiving a portion of the elongated cord and configured to interact with the elongated cord between a locked state, preventing movement of the elongated cord relative to the locking member, and an unlocked state, permitting movement of the elongated cord relative to the locking member, wherein the locking member comprises at least one tooth configured to engage the portion of the elongated cord received in the locking member in the locked state, and wherein the portion of the elongated cord is configured to disengage from the at least one tooth in the unlocked state in response to at least one of the first end and the second end being pulled in the direction of the major longitudinal axis.
Matt C. Miller, Kevin R. Ketterer
Filed: 6 Jun 19
Utility
Protective Helmet with Face Protection Shield and Linkage Mechanism
9 Dec 20
A protective helmet has an outer shell, a protection shield movable relative to the outer shell between a deployed position and a stowed position, and a linkage mechanism for connecting the protection shield to the outer shell and permitting movement of the protection shield between the deployed and stowed positions.
Alexa Danielle Bohn, Daniel Martin Hehman
Filed: 3 Jun 19