Inventor · disambiguated record
Edgar M. Purvis, Jr.
Also filed as: PURVIS EDGAR M · PURVIS JR EDGAR M
6 granted patents·157 citations·filing 1984–1986
87Inventor score
Files withCOLUMBIA GAS SYST6
Top patents by PatentIndex Score
6 records- 0186US4719767AAbsorption refrigeration and heat pump systemCOLUMBIA GAS SYST·Filed 1986·Granted Jan 19, 1988·38 cites·25 claims
- 0286US4646541AAbsorption refrigeration and heat pump systemCOLUMBIA GAS SYST·Filed 1984·Granted Mar 3, 1987·43 cites·18 claims
- 0379US4691532ADual cooling/heating system energy recoveryCOLUMBIA GAS SYST·Filed 1986·Granted Sep 8, 1987·31 cites·11 claims
- 0469US4742687ADual cooling/heating process and compositionCOLUMBIA GAS SYST·Filed 1986·Granted May 10, 1988·12 cites·10 claims
- 0565US4742693AAbsorption refrigeration and heat pump systemCOLUMBIA GAS SYST·Filed 1986·Granted May 10, 1988·20 cites·14 claims
- 0653US4722193AAbsorption refrigeration and heat pump systemCOLUMBIA GAS SYST·Filed 1986·Granted Feb 2, 1988·13 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Edgar M. Purvis, Jr. 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 →