Inventor · disambiguated record
Robert J. Schafer
Also filed as: PELFREY RICHARD L · SCHAEFER ROBERT · SCHAFER ROBERT · SCHAFER ROBERT J
16 granted patents·4 pending applications·717 citations·filing 1975–2022
95Inventor score
Top patents by PatentIndex Score
20 records- 0198US5567251AAmorphous metal/reinforcement composite materialAMORPHOUS ALLOYS CORP·Filed 1995·Granted Oct 22, 1996·229 cites·13 claims
- 0297US5866254AAmorphous metal/reinforcement composite materialAMORPHOUS TECHNOLOGIES INTERNA·Filed 1996·Granted Feb 2, 1999·141 cites·20 claims
- 0391US7174695B2De-packaging machinePORTER DAN C·Filed 2004·Granted Feb 13, 2007·47 cites·13 claims
- 0486US5567532AAmorphous metal/diamond composite materialAMORPHOUS ALLOYS CORP·Filed 1994·Granted Oct 22, 1996·52 cites·13 claims
- 0583US7963086B2Package unbundling systemPORTER TECHNOLOGIES LLC·Filed 2008·Granted Jun 21, 2011·24 cites·12 claims
- 0683US7407768B2Membrane-based assaysSYNAMEM CORP·Filed 2003·Granted Aug 5, 2008·27 cites·9 claims
- 0775US4193909AFlower pot and method for makingASHLAND OIL INC·Filed 1978·Granted Mar 18, 1980·24 cites·8 claims
- 0873US4481804AMethod and apparatus for calibration of sensorsHOFFMANN LA ROCHE·Filed 1982·Granted Nov 13, 1984·98 cites·9 claims
- 0972US9390898B1System and method for fusing chemical detectorsLEIDOS INC·Filed 2014·Granted Jul 12, 2016·2 cites·13 claims
- 1070US4814379AToughened, low permeability, solvent and salt resistant polyamide blendsASHLAND OIL INC·Filed 1988·Granted Mar 21, 1989·21 cites·6 claims
- 1165US2008248492A1Membrane Based AssaysSYNAMEM CORP A CALIFORNIA CORP·Filed 2007·Application pending·0 cites
- 1263US2008176759A1Membrane-based assaysSYNAMEM CORP·Filed 2007·Application pending·0 cites
- 1362US4370463AProcess for no-bake foundry application utilizing polyurethanes based on amine polyolsASHLAND OIL INC·Filed 1981·Granted Jan 25, 1983·14 cites·27 claims
- 1462US3987543APortable motor chain sawSTIHL MASCHF ANDREAS·Filed 1975·Granted Oct 26, 1976·18 cites·4 claims
- 1555US10249481B2System and method for fusing chemical detectorsLEIDOS INC·Filed 2016·Granted Apr 2, 2019·0 cites·10 claims
- 1652US4448907AProcess for casting lightweight metalsASHLAND OIL INC·Filed 1983·Granted May 15, 1984·9 cites·16 claims
- 1750US2008264002A1De-packaging machinePORTER DAN C·Filed 2008·Application pending·0 cites
- 1848USD1042054SCutting boardSCHAFER ROBERT J·Filed 2022·Granted Sep 17, 2024·1 cites·1 claims
- 1948US4124556AMoulding composition containing (a) silane additive (b) iron oxide and (c) polyurethane resin and method for preparing shaped foundry productsASHLAND OIL INC·Filed 1977·Granted Nov 7, 1978·10 cites·15 claims
- 2048US2008022633A1De-packaging machinePORTER DAN C·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →