Inventor · disambiguated record
Joseph C. Dangrow
Also filed as: DANGROW JOSEPH · DANGROW JOSEPH C
25 granted patents·5 pending applications·215 citations·filing 2003–2025
96Inventor score
Top patents by PatentIndex Score
30 records- 0195US10612305B2Ladder, Top and MethodMORA DANIEL C·Filed 2016·Granted Apr 7, 2020·24 cites·8 claims
- 0295US10590703B2Ladder, top and methodPARKER THOMAS W·Filed 2017·Granted Mar 17, 2020·25 cites·7 claims
- 0394US7306075B2Dynamic hinge for ladderWERNER CO·Filed 2005·Granted Dec 11, 2007·24 cites·2 claims
- 0488US10458183B2Stepladder having a ladder top with conduit holder slot and methodTIBER ROBERT C·Filed 2016·Granted Oct 29, 2019·12 cites·11 claims
- 0588US9435155B2Stepladder having a ladder top with conduit holder slot and methodTIBER ROBERT C·Filed 2013·Granted Sep 6, 2016·16 cites·11 claims
- 0686US2025361773A1Ladder, top and methodWERNER CO·Filed 2025·Application pending·0 cites
- 0785USD835807SLadder topLENTINE TEK·Filed 2016·Granted Dec 11, 2018·29 cites·1 claims
- 0884US10801263B2Ladder with top for holding an impact driver and methodDANGROW JOSEPH·Filed 2018·Granted Oct 13, 2020·9 cites·6 claims
- 0981US10145128B2Interlocking work platform system and methodWOODWARD STEVE·Filed 2016·Granted Dec 4, 2018·4 cites·5 claims
- 1076US8261882B2Ladder leveler and methodDANGROW JOSEPH C·Filed 2006·Granted Sep 11, 2012·5 cites·7 claims
- 1176US2024376778A1Ladder Top and LadderWERNER CO·Filed 2024·Application pending·0 cites
- 1274US8616336B2Method for a ladder with a ladder levelerDANGROW JOSEPH C·Filed 2012·Granted Dec 31, 2013·5 cites·1 claims
- 1374US2024191575A1Ladder FeetWERNER CO·Filed 2024·Application pending·0 cites
- 1473USD905869SLadder topLENTINE TEK·Filed 2017·Granted Dec 22, 2020·15 cites·1 claims
- 1571US8256573B2Ladder leveler and methodDANGROW JOSEPH C·Filed 2006·Granted Sep 4, 2012·3 cites·7 claims
- 1670USD935053SLadderWERNER CO·Filed 2017·Granted Nov 2, 2021·12 cites·1 claims
- 1766US7743887B2Clip for transportation of ladders and methodWERNER CO·Filed 2005·Granted Jun 29, 2010·1 cites·8 claims
- 1865US12392197B2Ladder, top and methodWERNER CO·Filed 2020·Granted Aug 19, 2025·0 cites·22 claims
- 1962US12398597B2Ladder and ladder topWERNER CO·Filed 2020·Granted Aug 26, 2025·0 cites·17 claims
- 2062USD887581SLadder topDANGROW JOSEPH·Filed 2018·Granted Jun 16, 2020·11 cites·1 claims
- 2161US11933106B2Ladder, foot and methodWERNER CO·Filed 2018·Granted Mar 19, 2024·1 cites·5 claims
- 2260US11473318B2Interlocking work platform system and methodWOODWARD STEVE·Filed 2019·Granted Oct 18, 2022·0 cites·3 claims
- 2360US2021025232A1Ladder with Top for Holding an Impact Driver and MethodDANGROW JOSEPH·Filed 2020·Application pending·0 cites
- 2459US7234203B2Locking hinge for folding ladderWERNER CO·Filed 2003·Granted Jun 26, 2007·8 cites·6 claims
- 2556US10494824B2Interlocking work platform system and methodWOODWARD STEVE·Filed 2018·Granted Dec 3, 2019·0 cites·1 claims
- 2656US2025154828A1Ladder and Ladder TopWERNER CO·Filed 2025·Application pending·0 cites
- 2755US11536087B2Stepladder having a ladder top with conduit holder slot and methodTIBER ROBERT C·Filed 2019·Granted Dec 27, 2022·0 cites·13 claims
- 2854US10760337B2Ladder leveler and methodDANGROW JOSEPH C·Filed 2013·Granted Sep 1, 2020·0 cites·12 claims
- 2954US8016077B2Clip for transportation of ladders and methodWERNER CO·Filed 2009·Granted Sep 13, 2011·1 cites·3 claims
- 3053USD584422SLadder leveler stileWERNER CO·Filed 2006·Granted Jan 6, 2009·10 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →