Inventor · disambiguated record
Robert F. Shaftner
Also filed as: SHAFTNER ROBERT F
9 granted patents·182 citations·filing 1975–1982
89Inventor score
Files withKOEHRING CO9
Top patents by PatentIndex Score
9 records- 0188US4474166AWick heatersKOEHRING CO·Filed 1982·Granted Oct 2, 1984·46 cites·35 claims
- 0285US4313417APortable space heaterKOEHRING CO·Filed 1979·Granted Feb 2, 1982·41 cites·29 claims
- 0383USD264374SPortable heaterKOEHRING CO·Filed 1979·Granted May 11, 1982·17 cites·1 claims
- 0483US4081238APortable heaterKOEHRING CO·Filed 1975·Granted Mar 28, 1978·37 cites·25 claims
- 0580USD276261SFront panel for a wick heaterKOEHRING CO·Filed 1982·Granted Nov 6, 1984·17 cites·1 claims
- 0663US4089642APortable space heaterKOEHRING CO·Filed 1976·Granted May 16, 1978·19 cites·20 claims
- 0737US4132353AWindow heatersKOEHRING CO·Filed 1977·Granted Jan 2, 1979·5 cites·28 claims
- 0832USD276260SWick heaterKOEHRING CO·Filed 1982·Granted Nov 6, 1984·0 cites·1 claims
- 0930USD255599SWindow heaterKOEHRING CO·Filed 1977·Granted Jun 24, 1980·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →