Inventor · disambiguated record
Keith F. Woodruff
Also filed as: WOODRUFF KEITH · WOODRUFF KEITH F
75 granted patents·6 pending applications·1,951 citations·filing 1976–2023
99Inventor score
Top patents by PatentIndex Score
81 records- 0199US11122730B2System and method for dispensing multiple low rate agricultural productsAMVAC CHEMICAL CORP·Filed 2021·Granted Sep 21, 2021·8 cites·10 claims
- 0298US4480940AFlexible diaphragm for dispensing productAMERICAN CYANAMID CO·Filed 1983·Granted Nov 6, 1984·96 cites·8 claims
- 0396US11039569B2Container system for transporting and dispensing agricultural productsAMVAC CHEMICAL CORP·Filed 2020·Granted Jun 22, 2021·5 cites·14 claims
- 0496US10470356B2System and method for dispensing multiple low rate agricultural productsAMVAC CHEMICAL CORP·Filed 2018·Granted Nov 12, 2019·26 cites·23 claims
- 0596US5947171AValve assembly for use with containers in a closed application systemAMERICAN CYANAMID CO·Filed 1997·Granted Sep 7, 1999·93 cites·20 claims
- 0694US11058046B2System and method for dispensing multiple low rate agricultural productsAMVAC CHEMICAL CORP·Filed 2019·Granted Jul 13, 2021·15 cites·19 claims
- 0794US4369158AStick antiperspirant package and processAMERICAN CYANAMID CO·Filed 1980·Granted Jan 18, 1983·73 cites·5 claims
- 0893US5901496ATermiticide bait tube for in ground applicationAMERICAN CYANAMID CO·Filed 1996·Granted May 11, 1999·84 cites·18 claims
- 0993USD278842SInsect feeding station or similar articleAMERICAN CYANAMID CO·Filed 1982·Granted May 14, 1985·32 cites·1 claims
- 1091US5029624AClosed granular chemical handling systemDEERE & CO·Filed 1990·Granted Jul 9, 1991·72 cites·24 claims
- 1190US5379812AClosed granular chemical handling systemDEERE & CO·Filed 1993·Granted Jan 10, 1995·58 cites·11 claims
- 1290US4980073AValve stem for a filter deviceCLOROX CO·Filed 1989·Granted Dec 25, 1990·53 cites·8 claims
- 1390USD292674SCap for a containerAMERICAN CYANAMID CO·Filed 1984·Granted Nov 10, 1987·28 cites·1 claims
- 1490USD292673SCap for a containerAMERICAN CYANAMID CO·Filed 1984·Granted Nov 10, 1987·28 cites·1 claims
- 1589US6003266ATermiticide bait tube for in ground applicationAMERICAN CYANAMID CO·Filed 1995·Granted Dec 21, 1999·63 cites·16 claims
- 1688USD942070SContainer for dry productsAMVAC CHEMICAL CORP·Filed 2021·Granted Jan 25, 2022·9 cites·1 claims
- 1788US6619938B2Flexible vane pumpFiled 2001·Granted Sep 16, 2003·24 cites·15 claims
- 1888US6588685B2Granular spreaderBASF AG·Filed 2001·Granted Jul 8, 2003·38 cites·23 claims
- 1987US6732772B2Valve assembly for use with containers in a closed application systemBASF AG·Filed 2003·Granted May 11, 2004·26 cites·14 claims
- 2086US6305444B1Valve assembly for use with containers in a closed application systemAMERICAN CYANAMID CO·Filed 2000·Granted Oct 23, 2001·26 cites·19 claims
- 2186US4995555AAir treatment device and methodAMERICAN CYANAMID CO·Filed 1988·Granted Feb 26, 1991·144 cites·21 claims
- 2285US6543496B2Valve assembly for use with containers in a closed application systemBASF AG·Filed 2001·Granted Apr 8, 2003·24 cites·34 claims
- 2385US6499679B1Granular spreader and product containerBASF AG·Filed 1999·Granted Dec 31, 2002·43 cites·32 claims
- 2485US5125438AClosed granular chemical handling systemDEERE & CO·Filed 1991·Granted Jun 30, 1992·42 cites·3 claims
- 2583US10645866B2Container system for transporting and dispensing agricultural productsAMVAC CHEMICAL CORP·Filed 2019·Granted May 12, 2020·6 cites·10 claims
- 2683US6085809AValve assembly for use with containers in a closed application systemAMERICAN CYANAMID CO·Filed 1999·Granted Jul 11, 2000·41 cites·11 claims
- 2783USD273032SInsect feeding station or similar articleAMERICAN CYANAMID CO·Filed 1981·Granted Mar 13, 1984·18 cites·1 claims
- 2882US11382261B2System and method for stacking containersAMVAC CHEMICAL CORP·Filed 2021·Granted Jul 12, 2022·1 cites·6 claims
- 2982US8677679B2Ampoule for the storage and dispersion of volatile liquidsBLACK BRUCE C·Filed 2010·Granted Mar 25, 2014·13 cites·9 claims
- 3082USD467295SPedestal for insect control stationBUGJAMMER INC·Filed 2001·Granted Dec 17, 2002·29 cites·1 claims
- 3182US6264450B1Flexible vane pumpFiled 2000·Granted Jul 24, 2001·17 cites·19 claims
- 3282US5060701AClosed granular chemical handling systemDEERE & CO·Filed 1990·Granted Oct 29, 1991·46 cites·5 claims
- 3381US6625927B2Plant containersFiled 2001·Granted Sep 30, 2003·18 cites·17 claims
- 3480US7073546B2Valve assembly for use with containers in a closed application systemBASF AG·Filed 2004·Granted Jul 11, 2006·16 cites·23 claims
- 3579USD467635SInsect control stationBUGJAMMER INC·Filed 2001·Granted Dec 24, 2002·25 cites·1 claims
- 3679US6065241ATermiticide bait tube for in-ground applicationAMERICAN CYANAMID CO·Filed 1999·Granted May 23, 2000·38 cites·30 claims
- 3778USD968019SContainer for dry productsAMVAC CHEMICAL CORP·Filed 2022·Granted Oct 25, 2022·4 cites·1 claims
- 3878USD311768SWater filter valveAMERICAN CYANAMID CO·Filed 1988·Granted Oct 30, 1990·16 cites·1 claims
- 3976US6851634B2Granular spreader and product containerBASF AKTEINGESELLSCHAFT·Filed 2003·Granted Feb 8, 2005·19 cites·27 claims
- 4074US12048265B2System and method for dispensing agricultural productsAMVAC CHEMICAL CORP·Filed 2021·Granted Jul 30, 2024·0 cites·25 claims
- 4174US6050309AValve assembly for use with containers in a closed application systemAMERICAN CYANAMID CO·Filed 1998·Granted Apr 18, 2000·36 cites·19 claims
- 4273USD929870SContainerAMVAC CHEMICAL CORP·Filed 2018·Granted Sep 7, 2021·10 cites·1 claims
- 4373USD275875SInsect feeding station or similar articleAMERICAN CYANAMID CO·Filed 1981·Granted Oct 9, 1984·12 cites·1 claims
- 4470USD322837SWater stream coalescer for attachment to a water faucetWOODRUFF KEITH F·Filed 1988·Granted Dec 31, 1991·13 cites·1 claims
- 4568US6195933B1Delivery system for fluid materialAMERICAN CYANAMID CO·Filed 1999·Granted Mar 6, 2001·32 cites·28 claims
- 4666USD985393SContainerAMVAC CHEMICAL CORP·Filed 2021·Granted May 9, 2023·2 cites·1 claims
- 4766US6293438B1Methods and apparatus for metering materialAMERICAN CYANAMID CO·Filed 1999·Granted Sep 25, 2001·27 cites·20 claims
- 4865USD908277SContainer for dry productsAMVAC CHEMICAL CORP·Filed 2018·Granted Jan 19, 2021·6 cites·1 claims
- 4964US5224527AClosed granular chemical handling systemDEERE & CO·Filed 1992·Granted Jul 6, 1993·25 cites·4 claims
- 5064US5073057ADispensing container having capillary pressure compensating valvePROCTER & GAMBLE·Filed 1990·Granted Dec 17, 1991·41 cites·7 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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