Inventor · disambiguated record
David R. Allen
Also filed as: ALLEN DAVID · ALLEN DAVID R · ALLEN DAVID ROBERT
19 granted patents·6 pending applications·174 citations·filing 1980–2020
93Inventor score
Top patents by PatentIndex Score
25 records- 0190US4932197AApparatus for positioning a work implementALLEN DAVID R·Filed 1988·Granted Jun 12, 1990·59 cites·17 claims
- 0281US7461477B2Multi-function fishing cartALLEN DAVID·Filed 2005·Granted Dec 9, 2008·11 cites·13 claims
- 0380US9695385B2Surfactants based on monounsaturated fatty alcohol derivativesSTEPAN CO·Filed 2014·Granted Jul 4, 2017·2 cites·11 claims
- 0477US10485382B2Food processor with slice selector discSUNBEAM PRODUCTS INC·Filed 2016·Granted Nov 26, 2019·4 cites·18 claims
- 0575US9708251B2Unsaturated fatty alcohol alkoxylates from natural oil metathesisSTEPAN CO·Filed 2013·Granted Jul 18, 2017·2 cites·24 claims
- 0673USD640499SPizza ovensBIRD BRAIN INC·Filed 2010·Granted Jun 28, 2011·20 cites·1 claims
- 0772US11760889B2Unsaturated fatty alcohol derivatives from natural oil metathesisSTEPAN CO·Filed 2020·Granted Sep 19, 2023·0 cites·15 claims
- 0871US8642528B2Alkyl lactyllactates and processes of making the sameALLEN DAVID R·Filed 2009·Granted Feb 4, 2014·0 cites·15 claims
- 0970US9133092B2Alkyl lactyllactates and processes of making the sameSTEPAN CO·Filed 2014·Granted Sep 15, 2015·0 cites·14 claims
- 1069US10287530B2Surfactants based on monounsaturated fatty alcohol derivativesSTEPAN CO·Filed 2017·Granted May 14, 2019·0 cites·12 claims
- 1165US5587481APreparation of (S)-decahydroisoquinoline-3-carboxylic acid t-butylamideMONSANTO CO·Filed 1996·Granted Dec 24, 1996·13 cites·16 claims
- 1261US4343142AApparatus having a variable attitude work implementALLEN DAVID R·Filed 1980·Granted Aug 10, 1982·19 cites·20 claims
- 1359US6050018ASandshrimp tail fish lureFiled 1999·Granted Apr 18, 2000·20 cites·3 claims
- 1459US4685282AHay rake assemblyALLEN DAVID R·Filed 1985·Granted Aug 11, 1987·21 cites·14 claims
- 1558US6610874B2Processes and compositions for the production of chiral amino-nitrilesPCBU SERVICES INC·Filed 2001·Granted Aug 26, 2003·3 cites·15 claims
- 1655US2014284343A1Travel Mug ApparatusWOW PLASTICS LLC·Filed 2013·Application pending·0 cites
- 1754US10745347B2Unsaturated fatty alcohol derivatives from natural oil metathesisSTEPAN CO·Filed 2013·Granted Aug 18, 2020·0 cites·5 claims
- 1853US2015274619A1Unsaturated fatty alcohol compositions and derivatives from natural oil metathesisELEVANCE RENEWABLE SCIENCES·Filed 2015·Application pending·0 cites
- 1951US7301044B2Preparation of chiral amino-nitrilesPFIZER·Filed 2004·Granted Nov 27, 2007·0 cites·22 claims
- 2051US2009304618A1Acyl lactylate compositions for rinse-out and leave-on applications for skin and hairSTEPAN CO·Filed 2007·Application pending·0 cites
- 2149US9174923B2Alkyl lactyllactate solvent compositionsALLEN DAVID R·Filed 2009·Granted Nov 3, 2015·0 cites·14 claims
- 2248US2013281688A1Unsaturated fatty alcohol compositions and derivatives from natural oil metathesisDI BIASE STEPHEN A·Filed 2013·Application pending·0 cites
- 2339US7067291B2Biocatalytic preparation of enantiomerically enriched aminopentanenitrilePFIZER·Filed 2002·Granted Jun 27, 2006·0 cites·4 claims
- 2437US2003236430A1Preparation of protected amino acidsFiled 2002·Application pending·0 cites
- 2535US2004002615A1Preparation of chiral amino-nitrilesFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →