Inventor · disambiguated record
John W. Summerfield
Also filed as: SUMMERFIELD JOHN · SUMMERFIELD JOHN W · SUMMERFIELD JOHN WILLIAM
7 granted patents·3 pending applications·252 citations·filing 1996–2013
86Inventor score
Files withCRI RECYCLING SERVICE INC2CRI RECYCLING SERVICES INC1HORMEL FOOD CORP1MINNESOTA MINING & MFG1SMIT NATHAN RYAN1
Top patents by PatentIndex Score
10 records- 0191US5691081ABattery containing bis(perfluoroalkylsulfonyl)imide and cyclic perfluoroalkylene disulfonylimide saltsMINNESOTA MINING & MFG·Filed 1996·Granted Nov 25, 1997·132 cites·18 claims
- 0285US6312528B1Removal of contaminants from materialsCRI RECYCLING SERVICE INC·Filed 1998·Granted Nov 6, 2001·70 cites·11 claims
- 0379US6098306ACleaning apparatus with electromagnetic dryingCRI RECYCLING SERVICES INC·Filed 1998·Granted Aug 8, 2000·35 cites·20 claims
- 0473US8568207B1Apparatus and method using electromagnetic radiation for stunning animals to be slaughteredHORMEL FOOD CORP·Filed 2013·Granted Oct 29, 2013·4 cites·18 claims
- 0564US9713337B2Use of high pressure processing to improve muscle quality by inhibiting post mortem glycolysisSMIT NATHAN RYAN·Filed 2009·Granted Jul 25, 2017·0 cites·20 claims
- 0653US8062104B2Use of high pressure processing to aid in the hair or feather removal from animal carcasses/hidesSUMMERFIELD JOHN WILLIAM·Filed 2009·Granted Nov 22, 2011·1 cites·30 claims
- 0744US6346792B1Battery charging and maintenance systemFiled 2001·Granted Feb 12, 2002·10 cites·16 claims
- 0844US2012027896A1Fresh Meat Color in Vacuum Packaged or Modified Atmosphere Packaged Fresh Meat ProductsSUMMERFIELD JOHN W·Filed 2011·Application pending·0 cites
- 0939US2002023662A1Removal of contaminants from materialsCRI RECYCLING SERVICE INC·Filed 2001·Application pending·0 cites
- 1035US2003216199A1Sporting object with visible temperature sensitivityFiled 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when John W. Summerfield files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →