Inventor · disambiguated record
David E. Schafer
Also filed as: SCHAFER DAVID · SCHAFER DAVID E · SCHAFER DAVID EARL
27 granted patents·1 pending application·886 citations·filing 1974–2019
97Inventor score
Top patents by PatentIndex Score
28 records- 0199US5870482AMiniature silicon condenser microphoneKNOWLES ELECTRONICS INC·Filed 1997·Granted Feb 9, 1999·408 cites·28 claims
- 0295US5740261AMiniature silicon condenser microphoneKNOWLES ELECTRONICS INC·Filed 1996·Granted Apr 14, 1998·205 cites·38 claims
- 0390US7860264B2Acoustic assembly for a transducerKNOWLES ELECTRONICS LLC·Filed 2006·Granted Dec 28, 2010·25 cites·27 claims
- 0487US7302748B2Linkage assembly for an acoustic transducerKNOWLES ELECTRONICS LLC·Filed 2003·Granted Dec 4, 2007·29 cites·7 claims
- 0587US7203334B2Apparatus for creating acoustic energy in a balanced receiver assembly and manufacturing method thereofKNOWLES ELECTRONICS LLC·Filed 2003·Granted Apr 10, 2007·24 cites·32 claims
- 0685US7412763B2Method of making an acoustic assembly for a transducerKNOWLES ELECTRONICS LLC·Filed 2006·Granted Aug 19, 2008·14 cites·23 claims
- 0784US7415125B2Apparatus and method for creating acoustic energy in a receiver assembly with improved diaphragms-linkage arrangementKNOWLES ELECTRONICS LLC·Filed 2004·Granted Aug 19, 2008·30 cites·17 claims
- 0884US7336797B2Apparatus and method for generating acoustic energy in a receiver assemblyKNOWLES ELECTRONICS LLC·Filed 2004·Granted Feb 26, 2008·31 cites·25 claims
- 0980US8824726B2Low axial vibration receiver armature and assemblyKNOWLES ELECTRONICS LLC·Filed 2013·Granted Sep 2, 2014·6 cites·2 claims
- 1080US8494209B2Low axial vibration receiver armature and assemblyMILLER THOMAS E·Filed 2010·Granted Jul 23, 2013·7 cites·4 claims
- 1180US4243406A5-Aryl-4-isoxazolecarboxylate-safening agentsMONSANTO CO·Filed 1978·Granted Jan 6, 1981·12 cites·43 claims
- 1279US7925041B2Method of making a linkage assembly for a transducer and the likeKNOWLES ELECTRONICS LLC·Filed 2007·Granted Apr 12, 2011·6 cites·1 claims
- 1378US7921540B2System of component s usable in the manufacture of an acoustic transducerKNOWLES ELECTRONICS LLC·Filed 2006·Granted Apr 12, 2011·6 cites·5 claims
- 1478US4379716ACompositions and methods for reducing herbicidal injuryMONSANTO CO·Filed 1978·Granted Apr 12, 1983·11 cites·15 claims
- 1577US7164776B2Vibration balanced receiverKNOWLES ELECTRONICS LLC·Filed 2001·Granted Jan 16, 2007·21 cites·58 claims
- 1671US7366317B2Apparatus for creating motion amplification in a transducer with improved linkage structureKNOWLES ELECTRONICS LLC·Filed 2004·Granted Apr 29, 2008·14 cites·33 claims
- 1766US4185989A3-Phenacyl phthaldide safening agentsMONSANTO CO·Filed 1978·Granted Jan 29, 1980·5 cites·55 claims
- 1861US4605431ACompositions and methods for reducing herbicidal injuryMONSANTO CO·Filed 1984·Granted Aug 12, 1986·5 cites·37 claims
- 1961US4507143AOrganothiophosphorous compounds useful as antidotes for thiocarbamate herbicidesMONSANTO CO·Filed 1983·Granted Mar 26, 1985·5 cites·34 claims
- 2050US4640702A2-chloro-4-trifluoromethyl-thiazolecarbothioic acids useful as herbicidal safenersMONSANTO CO·Filed 1980·Granted Feb 3, 1987·2 cites·34 claims
- 2150US4182622A3-Phenacylidene phthalide safening agentsMONSANTO CO·Filed 1978·Granted Jan 8, 1980·2 cites·27 claims
- 2249US2007014427A1Apparatus for Creating Acoustic Energy in a Balanced Receiver Assembly and Manufacturing Method ThereofKNOWLES ELECTRONICS LLC·Filed 2006·Application pending·0 cites
- 2346US4003735ACompositions and methods for reducing herbicidal injuryMONSANTO CO·Filed 1974·Granted Jan 18, 1977·9 cites·30 claims
- 2445US4239527A2-(Pyridylthio)pyridine-N-oxidesMONSANTO CO·Filed 1978·Granted Dec 16, 1980·1 cites·12 claims
- 2543US11825266B2Dielectric comb for MEMS deviceKNOWLES ELECTRONICS LLC·Filed 2019·Granted Nov 21, 2023·0 cites·15 claims
- 2643US4347366A2-(Pyridylthio)pyridine-N-oxidesMONSANTO CO·Filed 1980·Granted Aug 31, 1982·1 cites·3 claims
- 2742US4231786ACompositions and methods for reducing herbicidal injuryMONSANTO CO·Filed 1974·Granted Nov 4, 1980·7 cites·5 claims
- 2837US4594093ATriester derivatives of N-phosphonomethylthionoglycine as herbicidesMONSANTO CO·Filed 1984·Granted Jun 10, 1986·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →