4 patents
Utility
Interchangeable seal head system
3 Oct 23
An interchangeable seal head system and method for connecting and disconnecting a tube coupler on a header delivery system is described.
Nicolaas Dirk Bergshoeff
Filed: 18 Feb 21
Utility
Header delivery system
8 Aug 23
A header delivery system and method for performing a pigging operation on a process tube connected to a header pipe.
Willem Meerkerk, Nicolaas Dirk Bergshoeff, Maarten Cornelis Burggraaff
Filed: 2 Mar 21
Utility
Pipe isolation device
14 Mar 23
A pipe isolation device and method of using the same.
Brian Michael Gresh, David Warren Albertson, Joaquin Reyes
Filed: 29 Aug 19
Utility
Curbing machine with hopper dasher and eliptical compaction
5 Oct 20
A concrete curb forming and extruding apparatus with wheel adjustment locks, and an adjustable slip form system shaping cementitious material into a continuous curb forced there through by an extruder which receives materials stored in a hopper with dasher.
Paul G McKinnon, Lane McKinnon
Filed: 26 Oct 18
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