P

Inventor

WALKER JOHN A

US13 patents
⚠️ This page may combine multiple inventors who share the name “WALKER JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WALKER JOHN A

3 patents
US4887819ADec 19, 1989

Casino board game

WALKER JOHN A64 citations94
US4242763AJan 6, 1981

Pet toilet

WALKER JOHN A53 citations91
US8075214B2Dec 13, 2011

Electric paint tray apparatus

WALKER JOHN A1 citations50

DATAMETRICS CORP

3 patents
US4093847AJun 6, 1978

Temperature control system for electric fluid heater

DATAMETRICS CORP41 citations89
US3983359ASep 28, 1976

Electrical fluid heater

DATAMETRICS CORP18 citations70
US3961336AJun 1, 1976

Electrode print head

DATAMETRICS CORP16 citations67

ROCKWELL INTERNATIONAL CORP

1 patent
US4697001ASep 29, 1987

Chemical synthesis of conducting polypyrrole

ROCKWELL INTERNATIONAL CORP45 citations92

RUSCO IND INC

1 patent
US4237560ADec 9, 1980

Bidet system and water tank therein

RUSCO IND INC59 citations90

SAINT GOBAIN BAYFORM AMERICA I

1 patent
US6991693B2Jan 31, 2006

Screen cloth insertion apparatus and method

SAINT GOBAIN BAYFORM AMERICA I33 citations88

SCI STOCK COMPOSITE INC

1 patent
US7765724B2Aug 3, 2010

Apparatus and methods for refurbishing ice surfaces

SCI STOCK COMPOSITE INC10 citations79

JENSEN RONALD N

1 patent
US4518313AMay 21, 1985

Wind blade vibration eliminator for helicopters

JENSEN RONALD N19 citations79

UNIT RIG & EQUIP

1 patent
US4266420AMay 12, 1981

Crimping tool

UNIT RIG & EQUIP1 citations51

PPG IND OHIO INC

1 patent
US7498384B2Mar 3, 2009

Multi-component epoxy-amine primer systems comprising a polythioether

PPG IND OHIO INC0 citations42