Inventor · disambiguated record
Douglas J. Birkholz
Also filed as: BIRKHOLZ DOUGLAS J · BIRKHOLZ DOUGLAS JAMES
31 granted patents·1 pending application·828 citations·filing 1991–2019
98Inventor score
Files withFISKARS INC9FISKARS AB OY8JOHNSON & SON INC S C7Cimphoni Life Sciences LLC3GREENLEE TEXTRON INC2
Top patents by PatentIndex Score
32 records- 0197US7028866B2Pressurized plastic bottle for dispensing an aerosolJOHNSON & SON INC S C·Filed 2003·Granted Apr 18, 2006·116 cites·30 claims
- 0295USD377588STool handlesFISKARS INC·Filed 1995·Granted Jan 28, 1997·61 cites·1 claims
- 0395USD354890S5" scissorsFISKARS AB OY·Filed 1993·Granted Jan 31, 1995·49 cites·1 claims
- 0493USD361700STool handleFISKARS AB OY·Filed 1994·Granted Aug 29, 1995·41 cites·1 claims
- 0592USD359427SPivoted hand tool handleFISKARS INC·Filed 1994·Granted Jun 20, 1995·39 cites·1 claims
- 0690USD470402SAerosol container with actuator overcapJOHNSON & SON INC S C·Filed 2002·Granted Feb 18, 2003·36 cites·1 claims
- 0789USD369531STool handleFISKARS AB OY·Filed 1995·Granted May 7, 1996·37 cites·1 claims
- 0889USD339725SScissorsFISKARS AB OY·Filed 1991·Granted Sep 28, 1993·32 cites·1 claims
- 0987USD373385SPunch toolFISKARS INC·Filed 1994·Granted Sep 3, 1996·27 cites·1 claims
- 1087USD346542SRotary cutting toolFISKARS AB OY·Filed 1992·Granted May 3, 1994·29 cites·1 claims
- 1186USD341764SRotary cutterFISKARS AB OY·Filed 1992·Granted Nov 30, 1993·27 cites·1 claims
- 1285USD806976SShopping cart shelfTARGET BRANDS INC·Filed 2016·Granted Jan 2, 2018·24 cites·1 claims
- 1385USD501794SPressure container with actuator overcapJOHNSON & SON INC S C·Filed 2003·Granted Feb 15, 2005·26 cites·1 claims
- 1485USD335807SScissorsFISKARS AB OY·Filed 1991·Granted May 25, 1993·26 cites·1 claims
- 1583USD374597SUtility knifeFISKARS INC·Filed 1995·Granted Oct 15, 1996·33 cites·1 claims
- 1682US8651459B2Apparatus and method for dispensing fish tapeAXON RONALD G·Filed 2011·Granted Feb 18, 2014·14 cites·25 claims
- 1781USD850754SShopping cart shelfTARGET BRANDS INC·Filed 2017·Granted Jun 4, 2019·18 cites·1 claims
- 1878USD470753SAerosol containerJOHNSON & SON INC S C·Filed 2002·Granted Feb 25, 2003·22 cites·1 claims
- 1975USD354423SScissorsFISKARS INC·Filed 1994·Granted Jan 17, 1995·16 cites·1 claims
- 2074USD365005SScissorsFISKARS INC·Filed 1995·Granted Dec 12, 1995·18 cites·1 claims
- 2173USD470752SAerosol container with actuator overcap and dust coverJOHNSON & SON INC S C·Filed 2002·Granted Feb 25, 2003·18 cites·1 claims
- 2271US10500410B2Light emitting bone implantsCimphoni Life Sciences LLC·Filed 2017·Granted Dec 10, 2019·3 cites·13 claims
- 2371USD360892SCarriage for a rotary blade paper trimmerFISKARS INC·Filed 1994·Granted Aug 1, 1995·14 cites·1 claims
- 2468USD361705SScissorsFISKARS INC·Filed 1994·Granted Aug 29, 1995·12 cites·1 claims
- 2568US5377412ASoftouch scissorsFISKARS AB OY·Filed 1992·Granted Jan 3, 1995·39 cites·12 claims
- 2663USD581010SBottle holderJOHNSON & SON INC S C·Filed 2007·Granted Nov 18, 2008·12 cites·1 claims
- 2759USD527602SRetractable sawGREENLEE TEXTRON INC·Filed 2005·Granted Sep 5, 2006·12 cites·1 claims
- 2859USD360891SCap for a rotary paper trimmer carriageFISKARS INC·Filed 1994·Granted Aug 1, 1995·9 cites·1 claims
- 2956USD676298SHydraulic driven rotary toolGREENLEE TEXTRON INC·Filed 2011·Granted Feb 19, 2013·9 cites·1 claims
- 3055USD481935SPressure container with actuator overcap and dust coverJOHNSON & SON INC S C·Filed 2003·Granted Nov 11, 2003·9 cites·1 claims
- 3148US2020114163A1Light emitting bone implantsCimphoni Life Sciences LLC·Filed 2019·Application pending·0 cites
- 3245US11167148B2Light emitting bone implantsCimphoni Life Sciences LLC·Filed 2017·Granted Nov 9, 2021·0 cites·20 claims
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