William Barton Draeger

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Cartesian pipe facer
- Patent number 10,603,724
- Issue date Mar 31, 2020
- McElroy Manufacturing, Inc.
- James R. Perrault
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cartesian pipe facer
- Patent number 9,604,288
- Issue date Mar 28, 2017
- McElroy Manufacturing, Inc.
- James R. Perrault
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rack type pipe feeder for a pipe fusion machine
- Patent number 9,393,739
- Issue date Jul 19, 2016
- McElroy Manufacturing , Inc.
- James R. Perrault
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Rack type pipe feeder for a pipe fusion machine
- Patent number 8,690,517
- Issue date Apr 8, 2014
- McElroy Manufacturing, Inc.
- James R. Perrault
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Cartesian Pipe Facer
- Publication number 20170197255
- Publication date Jul 13, 2017
- McElroy Manufacturing, Inc.
- James R. Perrault
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Cartesian Pipe Facer
- Publication number 20150078853
- Publication date Mar 19, 2015
- McElroy Manufacturing, Inc.
- James R. Perrault
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
RACK TYPE PIPE FEEDER FOR A PIPE FUSION MACHINE
- Publication number 20140219770
- Publication date Aug 7, 2014
- McElroy Manufacturing, Inc.
- James R. Perrault
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL