John D. Watts — 21 Patents at Unknown

John D. Watts has been granted 21 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in August 2012. John D. Watts ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list John D. Watts in Houston, TX, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8246086	Low cost, high performance pipe connection	—	2012-08-21
8181998	Threaded pipe connection	—	2012-05-22
6988754	Vehicle bumper	—	2006-01-24
6817099	Threaded pipe connection and method	—	2004-11-16
6682101	Wedgethread pipe connection	—	2004-01-27
6578880	Wedgethread pipe connection	—	2003-06-17
5516158	Self-swaging threaded tubular connection	—	1996-05-14
5427418	High strength, low torque threaded tubular connection	—	1995-06-27
5383692	Threaded tubular connection	—	1995-01-24
5143411	Threaded tubular connection	—	1992-09-01
5018771	Threaded tubular connection	—	1991-05-28
4974882	Oilwell tubing connection	—	1990-12-04
4813717	Oilwell tubing connection	—	1989-03-21
4769156	Method and means to pump a well	—	1988-09-06
4750761	Oilwell tubular connection	—	1988-06-14
4726743	Hydraulically driven downhole pump	—	1988-02-23
4693179	Temperature controlled rotary screen printing apparatus	—	1987-09-15	$1,750,000
4627345	Rotary screen printing apparatus	—	1986-12-09	$1,313,000
4278550	Fluid separator	—	1981-07-14
4258271	Power converter and method	Walter L. Chappell, II	1981-03-24
4245388	Safety razor	Jan Dawidowicz	1981-01-20

John D. Watts — 21 Patents

Issued Patents All Time

Patent Widget