Inventor · disambiguated record
John D. Ruff
Also filed as: RUFF JOHN · RUFF JOHN D · RUFF JOHN DENIS
18 granted patents·376 citations·filing 1974–2014
95Inventor score
Top patents by PatentIndex Score
18 records- 0191US3960322ASolar heat pumpRUFF JOHN D·Filed 1974·Granted Jun 1, 1976·70 cites·13 claims
- 0285US5212957ARefgrigerator/water purifierTHERMADYNE INC·Filed 1992·Granted May 25, 1993·53 cites·13 claims
- 0373US4897099AIce maker and water purifierRUFF JOHN D·Filed 1988·Granted Jan 30, 1990·28 cites·19 claims
- 0472US5032157AIcemaker system with wide range condensing temperaturesTHERMADYNE INC·Filed 1990·Granted Jul 16, 1991·33 cites·7 claims
- 0568US4018581ASolar heating systemRUFF JOHN DENIS·Filed 1976·Granted Apr 19, 1977·33 cites·1 claims
- 0666US4642026ACentrifugal compressor with adjustable diffuserRUFF JOHN D·Filed 1984·Granted Feb 10, 1987·23 cites·18 claims
- 0756US5207761ARefrigerator/water purifier with common evaporatorTHERMADYNE INC·Filed 1992·Granted May 4, 1993·22 cites·6 claims
- 0854US6230078B1Simplified animatronic and CNC systemFiled 1998·Granted May 8, 2001·23 cites·1 claims
- 0949US5784541ASystem for controlling multiple controllable devices according to a script transmitted from a personal computerFiled 1996·Granted Jul 21, 1998·19 cites·4 claims
- 1048US4941902AIce maker and water purifierTHERMADYNE INC·Filed 1989·Granted Jul 17, 1990·15 cites·9 claims
- 1147US9130492B2Animatronic system with unlimited axesRUFF JOHN D·Filed 2014·Granted Sep 8, 2015·0 cites·16 claims
- 1243US5123948AIcemaker/water purifier with by-pass condenserTHERMADYNE INC·Filed 1991·Granted Jun 23, 1992·14 cites·2 claims
- 1340US5103653AIcemaker/water purifier with convective meltingTHERMADYNE INC·Filed 1991·Granted Apr 14, 1992·11 cites·1 claims
- 1439US5011524AIce maker and water purifier employing pre-cooled make-up waterTHERMADYNE INC·Filed 1990·Granted Apr 30, 1991·8 cites·6 claims
- 1539US4652458ASilica gel-lipid compositionGEN FOODS CORP·Filed 1985·Granted Mar 24, 1987·14 cites·26 claims
- 1634US4036998AHoney containing dessert compositionGEN FOODS LTD·Filed 1976·Granted Jul 19, 1977·3 cites·5 claims
- 1732US4998417AIcemaker system with wide range condensing temperaturesTHERMADYNE INC·Filed 1990·Granted Mar 12, 1991·4 cites·17 claims
- 1831US5013344AIcemaker and water purifier with controlled condensing temperatureTHERMADYNE INC·Filed 1990·Granted May 7, 1991·3 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →