Inventor
KNOWLES STEVEN M
US38 patents
⚠️ This page may combine multiple inventors who share the name “KNOWLES STEVEN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRIME SOLUTIONS LLC
11 patentsUS6539970B1Apr 1, 2003
Method and apparatus for servicing a pressurized system
PRIME SOLUTIONS LLC54 citations96
US6296228B1Oct 2, 2001
Service device
PRIME SOLUTIONS LLC29 citations92
US6250603B1Jun 26, 2001
Adjustable device for opening service valves
PRIME SOLUTIONS LLC27 citations92
US6837064B2Jan 4, 2005
Coupling for servicing a pressurized system
PRIME SOLUTIONS LLC10 citations74
US6981511B2Jan 3, 2006
Method and apparatus for servicing a pressurized system
PRIME SOLUTIONS LLC9 citations73
US6742535B1Jun 1, 2004
Method and apparatus for servicing a fluid system
PRIME SOLUTIONS LLC12 citations72
US6612327B2Sep 2, 2003
Service system and method
PRIME SOLUTIONS LLC4 citations72
US6588445B2Jul 8, 2003
Fluid system service apparatus and method
PRIME SOLUTIONS LLC9 citations72
US6584994B2Jul 1, 2003
Service system and method
PRIME SOLUTIONS LLC12 citations72
US7096685B2Aug 29, 2006
Coupling for servicing a pressurized system
PRIME SOLUTIONS LLC2 citations63
US6959717B2Nov 1, 2005
Method and apparatus for removing fluid from a fluid system
PRIME SOLUTIONS LLC5 citations59
AEROQUIP CORP
11 patentsUS5139049AAug 18, 1992
Refrigeration system service adapter
AEROQUIP CORP118 citations96
US4921013AMay 1, 1990
Coupling adapter
AEROQUIP CORP119 citations92
US4892117AJan 9, 1990
Refrigeration coupling
AEROQUIP CORP67 citations91
US5265438ANov 30, 1993
Dual restrictor flow control
AEROQUIP CORP51 citations90
USRE34781ENov 8, 1994
Coupling adapter
AEROQUIP CORP18 citations78
US4896696AJan 30, 1990
Flow control restrictor
AEROQUIP CORP22 citations76
US4484384ANov 27, 1984
Hand operated fitting swager
AEROQUIP CORP8 citations74
US4290276ASep 22, 1981
Valve with frangible closure
AEROQUIP CORP15 citations74
US5182922AFeb 2, 1993
Automotive air-conditioning system
AEROQUIP CORP17 citations73
US5180194AJan 19, 1993
Automotive air-conditioning system
AEROQUIP CORP9 citations73
US4610466ASep 9, 1986
Convertible flare/braze fitting
AEROQUIP CORP8 citations66
BRIGHT SOLUTIONS INC
7 patentsUS6851442B2Feb 8, 2005
Fluid addition apparatus
BRIGHT SOLUTIONS INC19 citations93
USD459438SJun 25, 2002
Fluid injector
BRIGHT SOLUTIONS INC30 citations92
US6196016B1Mar 6, 2001
Multiple-dose, flush-through injector
BRIGHT SOLUTIONS INC31 citations92
US6807976B2Oct 26, 2004
Fluid addition apparatus
BRIGHT SOLUTIONS INC18 citations84
US6442958B1Sep 3, 2002
Fluid delivery apparatus and method
BRIGHT SOLUTIONS INC11 citations74
US6308528B2Oct 30, 2001
Fluid delivery apparatus and method
BRIGHT SOLUTIONS INC5 citations74
US6889519B2May 10, 2005
Fluid delivery apparatus and method
BRIGHT SOLUTIONS INC5 citations63
BRASSCORP LTD
5 patentsUS7559245B2Jul 14, 2009
Vacuum gauge and refrigeration system service tool, and methods of using the same
BRASSCORP LTD12 citations83
US6179904B1Jan 30, 2001
Flushing machine with liquid/air separating tank
BRASSCORP LTD13 citations74
US7478649B2Jan 20, 2009
Absorbent plugs and caps for air conditioning and refrigeration fittings
BRASSCORP LTD2 citations63
US7614663B2Nov 10, 2009
Swivel assemblies for conduits carrying pressurized fluids to or from air conditioning or refrigeration systems
BRASSCORP LTD4 citations61
US9228766B2Jan 5, 2016
Inspection port
BRASSCORP LTD0 citations48