Steven M. Knowles — 38 Patents at Prime Solution

Steven M. Knowles has been granted 38 US patents while listed as an inventor at Prime Solution. The first was granted in 1981 and the most recent in January 2016. Steven M. Knowles ranks #84,675 of 4,157,543 US inventors in our database (top 2.0%). Patent records list Steven M. Knowles in North Manchester, IN, US.

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #	Title	Co-Inventors	Date
9228766	Inspection port	Paul Appler, Jack Brass, Donald L. Klipstein	2016-01-05
8316653	Inspection port	Paul Appler, Jack Brass, Donald L. Klipstein	2012-11-27
7614663	Swivel assemblies for conduits carrying pressurized fluids to or from air conditioning or refrigeration systems	Jack Brass, Gregory R. W. McEwan	2009-11-10
7559245	Vacuum gauge and refrigeration system service tool, and methods of using the same	Paul Appler, Jack Brass	2009-07-14
7478649	Absorbent plugs and caps for air conditioning and refrigeration fittings	Jack Brass	2009-01-20
7096685	Coupling for servicing a pressurized system	—	2006-08-29
6981511	Method and apparatus for servicing a pressurized system	Terrence D. Kalley	2006-01-03
6959717	Method and apparatus for removing fluid from a fluid system	John Burke	2005-11-01
6889519	Fluid delivery apparatus and method	—	2005-05-10
6883533	Service system and method	John Burke	2005-04-26
6851442	Fluid addition apparatus	John Burke	2005-02-08
6837064	Coupling for servicing a pressurized system	—	2005-01-04
6817650	Accessory attachment winder for installing, removing and storing a vehicle covering	Philip L. Cupelli, Leslie P. Dreher, John Burke, Terrence D. Kalley	2004-11-16
6807976	Fluid addition apparatus	—	2004-10-26
6742535	Method and apparatus for servicing a fluid system	John Burke	2004-06-01
6612327	Service system and method	John Burke	2003-09-02
6588445	Fluid system service apparatus and method	John Burke	2003-07-08
6584994	Service system and method	John Burke	2003-07-01
6539970	Method and apparatus for servicing a pressurized system	Terrence D. Kalley	2003-04-01
6442958	Fluid delivery apparatus and method	—	2002-09-03
D459438	Fluid injector	—	2002-06-25
6308528	Fluid delivery apparatus and method	—	2001-10-30
6296228	Service device	Terrence D. Kalley	2001-10-02
6250603	Adjustable device for opening service valves	Terrance D. Kalley	2001-06-26
6196016	Multiple-dose, flush-through injector	Terrence D. Kalley	2001-03-06

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Steven M. Knowles — 38 Patents

Issued Patents All Time

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