Inventor · disambiguated record
Robert Schaaf
Also filed as: CENKER MOSES · SCHAAF ROBERT · SCHAAF ROBERT L
14 granted patents·262 citations·filing 1975–2013
93Inventor score
Top patents by PatentIndex Score
14 records- 0189US4015961AFilter bag and couplingAIR FILTERS INC·Filed 1976·Granted Apr 5, 1977·64 cites·9 claims
- 0280US4177205AProcess for the preparation of highly stable liquid carbodiimide-containing polyisocyanate compositionsBASF WYANDOTTE CORP·Filed 1978·Granted Dec 4, 1979·25 cites·7 claims
- 0374US4022695ARemovable filter cloth for a leaf filter of a pressure vesselAIR FILTERS INC·Filed 1975·Granted May 10, 1977·31 cites·4 claims
- 0473US5202640ACapacitance and leakage test method and apparatusIBM·Filed 1991·Granted Apr 13, 1993·37 cites·24 claims
- 0571US4053416AFilter press assemblyAIR FILTERS INC·Filed 1976·Granted Oct 11, 1977·28 cites·9 claims
- 0668US4667339ALevel sensitive latch stageTEXAS INSTRUMENTS INC·Filed 1983·Granted May 19, 1987·18 cites·3 claims
- 0766US9145800B2Sealing device and camshaft adjusterHILITE GERMANY GMBH·Filed 2013·Granted Sep 29, 2015·1 cites·20 claims
- 0865US4465638AProcess for using sediments developed during storage of pure MDIBASF WYANDOTTE CORP·Filed 1983·Granted Aug 14, 1984·8 cites·5 claims
- 0962US4199524AStable liquid carbodiimide-containing polyisocyanate compositionsBASF WYANDOTTE CORP·Filed 1978·Granted Apr 22, 1980·11 cites·13 claims
- 1054US3973936AHorseshoe-shaped vacuum cleaner filter bagHOWARD SOL·Filed 1975·Granted Aug 10, 1976·18 cites·9 claims
- 1146US4198489APolyurethane foams prepared from highly stable liquid carbodiimide-containing 4,4'-diphenylmethane diisocyanateBASF WYANDOTTE CORP·Filed 1978·Granted Apr 15, 1980·8 cites·9 claims
- 1239US4028074AVacuum cleaner filter bagAIR FILTERS INC·Filed 1975·Granted Jun 7, 1977·7 cites·6 claims
- 1329US4177433AReel motor preamplifierIBM·Filed 1978·Granted Dec 4, 1979·1 cites·6 claims
- 1429US3992748ACarpeting tool for a vacuum cleanerAIR FILTERS INC·Filed 1975·Granted Nov 23, 1976·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →