Inventor · disambiguated record
Walter R. Key
Also filed as: KEY WALTER R
8 granted patents·117 citations·filing 1993–1997
88Inventor score
Files withREDI CONTROLS INC2
Top patents by PatentIndex Score
8 records- 0164US5542261ARefrigerant evaporator over-pressure relief system including a fluid containment vesselFiled 1995·Granted Aug 6, 1996·29 cites·28 claims
- 0261US5673563APressure relief apparatus and method of use particularly for a refrigeration systemFiled 1996·Granted Oct 7, 1997·22 cites·51 claims
- 0349US5768895APressure relief system and method for a refrigerator systemFiled 1997·Granted Jun 23, 1998·16 cites·18 claims
- 0449US5644930AMechanical pressure relief valve having a variable position outletFiled 1995·Granted Jul 8, 1997·17 cites·22 claims
- 0546US5577389ARupture disk fragment collection trap for refrigeration systemsFiled 1994·Granted Nov 26, 1996·11 cites·21 claims
- 0641US5722247ARecovery system for very high-pressure refrigerantsREDI CONTROLS INC·Filed 1996·Granted Mar 3, 1998·12 cites·44 claims
- 0732US5729991APressure relief system for a refrigeration systemFiled 1996·Granted Mar 24, 1998·5 cites·26 claims
- 0828US5339647APortable apparatus for recovery of chlorofluorocarbon (CFC) refrigerantsREDI CONTROLS INC·Filed 1993·Granted Aug 23, 1994·5 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Walter R. Key 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 →