Inventor · disambiguated record
David A. Smith
Also filed as: GRACE JOHN M · SMITH DAVID · SMITH DAVID A · SMITH DAVID ANDREW
48 granted patents·6 pending applications·1,437 citations·filing 1975–2021
99Inventor score
Top patents by PatentIndex Score
54 records- 0198US5140727AZipper for reclosable thermoplastic bag, process and apparatus for makingDOWBRANDS LP·Filed 1991·Granted Aug 25, 1992·215 cites·12 claims
- 0296US5062603AVacuum drum purge method and apparatusDOW BRANDS INC·Filed 1990·Granted Nov 5, 1991·106 cites·13 claims
- 0396US4284301ABag transfer deviceDOW CHEMICAL CO·Filed 1979·Granted Aug 18, 1981·59 cites·7 claims
- 0495US4588070ABag transfer deviceDOW CHEMICAL CO·Filed 1984·Granted May 13, 1986·52 cites·5 claims
- 0594US5062549AHand held, dip-tube style liquid dispenserDOWBRANDS INC·Filed 1989·Granted Nov 5, 1991·101 cites·6 claims
- 0690US6550966B1Freezer storage bagS C JOHNSON HOME STORAGE INC·Filed 1995·Granted Apr 22, 2003·89 cites·37 claims
- 0788US6371643B2Multi-Layered freezer storage bagS C JOHNSON HOME STORAGE INC·Filed 1999·Granted Apr 16, 2002·87 cites·70 claims
- 0888US5913955AVibration damping method and apparatusSANDIA CORP·Filed 1998·Granted Jun 22, 1999·72 cites·17 claims
- 0986US5884424ARoll-up signFiled 1997·Granted Mar 23, 1999·64 cites·16 claims
- 1085US4103445ARoll-up signSMITH DAVID A·Filed 1976·Granted Aug 1, 1978·59 cites·11 claims
- 1182US4172597AMagnetic pick-up device and markerREGALE ENTERPRISES·Filed 1978·Granted Oct 30, 1979·30 cites·8 claims
- 1278US7997179B1Hybrid water cannonUS NAVY·Filed 2008·Granted Aug 16, 2011·19 cites·6 claims
- 1378US5074547AMultiple delivery systemDOW CHEMICAL CO·Filed 1990·Granted Dec 24, 1991·26 cites·12 claims
- 1475US5720128ALandscape edging systemFiled 1995·Granted Feb 24, 1998·45 cites·3 claims
- 1575US5428336AElectric switchesOTTER CONTROLS LTD·Filed 1992·Granted Jun 27, 1995·35 cites·20 claims
- 1669US6860403B1Single pill dispenserFiled 2003·Granted Mar 1, 2005·23 cites·18 claims
- 1768US4976673AApparatus and method for the production of flexible bagsDOW BRANDS INC·Filed 1989·Granted Dec 11, 1990·23 cites·62 claims
- 1868US4475867AAxial fan and noise abatement apparatus combinationGEN ACOUSTICS CORP·Filed 1983·Granted Oct 9, 1984·28 cites·6 claims
- 1964US4919415AMultiple delivery systemDOW CHEMICAL CO·Filed 1988·Granted Apr 24, 1990·14 cites·9 claims
- 2064US4169257AControlling the directivity of a circular array of acoustic sensorsUS NAVY·Filed 1978·Granted Sep 25, 1979·18 cites·5 claims
- 2163US4959044AFilm tension compensation device for bag making machineDOW CHEMICAL CO·Filed 1989·Granted Sep 25, 1990·18 cites·23 claims
- 2262US5226870AVacuum drum purge method and apparatusDOWBRANDS LP·Filed 1991·Granted Jul 13, 1993·15 cites·2 claims
- 2360US2009293214A1Drain clog remover and shaft usable therewithACKERMAN BRYAN L·Filed 2009·Application pending·0 cites
- 2459US11543012B2Gear unitEndurance Innovations LLC·Filed 2021·Granted Jan 3, 2023·0 cites·18 claims
- 2559US6009652ASign constructionFiled 1997·Granted Jan 4, 2000·22 cites·17 claims
- 2656US6196244B1Configurable umbrellaFiled 1999·Granted Mar 6, 2001·28 cites·17 claims
- 2756US5014978AMethod and apparatus for the sequential handling of flexible productsDOW CHEMICAL CO·Filed 1988·Granted May 14, 1991·17 cites·28 claims
- 2855US4647031AGripper finger deviceDOW CHEMICAL CO·Filed 1985·Granted Mar 3, 1987·10 cites·12 claims
- 2955US2013315028A1Heated liquid dispenserOTTER CONTROLS LTD·Filed 2013·Application pending·0 cites
- 3054US2010004947A1System and Method for Providing Health Management Services to a Population of MembersNADEAU MICHAEL·Filed 2008·Application pending·0 cites
- 3153US11969389B2Integrated lower back treatment systemsSMITH DAVID ANDREW·Filed 2021·Granted Apr 30, 2024·0 cites·13 claims
- 3253US5796327AThermally responsive electrical switchesOTTER CONTROLS LTD·Filed 1994·Granted Aug 18, 1998·10 cites·18 claims
- 3353US5062825AApparatus and method for the production of flexible productsDOW CHEMICAL CO·Filed 1990·Granted Nov 5, 1991·14 cites·15 claims
- 3452US2022039569A1Adjustable PillowDown & Feather Company LLC·Filed 2020·Application pending·0 cites
- 3551US5100347AMethod and apparatus for providing a cable assembly seal and strain reliefDU PONT·Filed 1989·Granted Mar 31, 1992·17 cites·9 claims
- 3651US4779556ABoat with sectional hull assembly held by geodetically oriented tendonsSMITH DAVID A·Filed 1983·Granted Oct 25, 1988·10 cites·3 claims
- 3750US11111675B1Flashing toolSMITH DAVID·Filed 2019·Granted Sep 7, 2021·0 cites·8 claims
- 3850US3942461ASelf-steering device for sail boatsSMITH DAVID A·Filed 1975·Granted Mar 9, 1976·9 cites·10 claims
- 3949US4911423AApparatus for multiple lane stacking of flexible productsDOW CHEMICAL CO·Filed 1988·Granted Mar 27, 1990·8 cites·22 claims
- 4049US4902374ABag making machineDOW CHEMICAL CO·Filed 1988·Granted Feb 20, 1990·10 cites·15 claims
- 4146US2011067576A1Electrical appliances and componentsOTTER CONTROLS LTD·Filed 2009·Application pending·0 cites
- 4245US6032325APortable drive unit for rotational cleaning toolsFiled 1998·Granted Mar 7, 2000·9 cites·1 claims
- 4345US5302080AMethod and apparatus for stacking non-symmetrical flexible articlesDOWBRANDS LP·Filed 1992·Granted Apr 12, 1994·7 cites·29 claims
- 4445US2009172172A1Systems and methods for enabling peer-to-peer communication among visitors to a common websiteGRAHAM ERIK LAMBERT·Filed 2008·Application pending·0 cites
- 4544US5203556AMethod and apparatus for the sequential handling and delivery of flexible productsDOWBRANDS LP·Filed 1992·Granted Apr 20, 1993·10 cites·28 claims
- 4640US5108085AApparatus and method for the production of flexible productsDOW CHEMICAL CO·Filed 1990·Granted Apr 28, 1992·7 cites·23 claims
- 4740US4702471AArticle transport arrangementDOW CHEMICAL CO·Filed 1985·Granted Oct 27, 1987·5 cites·9 claims
- 4840US4523515AValve operating cylinder unitAPV CO LTD·Filed 1982·Granted Jun 18, 1985·8 cites·7 claims
- 4938US5638728AReplaceable tool support with arcuately curved surface portionKAISER TOOL CO INC·Filed 1995·Granted Jun 17, 1997·11 cites·12 claims
- 5038US5230744AMethod for cleaning bag machineryDOWBRANDS LP·Filed 1991·Granted Jul 27, 1993·9 cites·11 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →