Inventor · disambiguated record
David Crenshaw
Also filed as: CRENSHAW DAVID · CRENSHAW DAVID B · CRENSHAW DAVID BLAKE
15 granted patents·1 pending application·217 citations·filing 1999–2024
91Inventor score
Files withDC PREC CERAMICS LLC4IOTA ENG LLC4ABL IP HOLDINGS LLC2BODINE COMPANY INC2PHILIPS LIGHTING HOLDING BV1
Top patents by PatentIndex Score
16 records- 0192US6710546B2Remote control test apparatusBODINE COMPANY INC·Filed 2002·Granted Mar 23, 2004·66 cites·11 claims
- 0290US9609706B2Power over Ethernet emergency lighting system and method of detecting power loss of a link segment thereofIOTA ENG LLC·Filed 2016·Granted Mar 28, 2017·8 cites·18 claims
- 0387US6828733B1Remote lamp control apparatusFiled 2003·Granted Dec 7, 2004·84 cites·8 claims
- 0484US12179417B2Manufacturing systems and methods for three-dimensional printingDC PREC CERAMICS LLC·Filed 2024·Granted Dec 31, 2024·0 cites·20 claims
- 0583US10361583B2Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereofIOTA ENG LLC·Filed 2018·Granted Jul 23, 2019·3 cites·11 claims
- 0682US2025083379A1Fiber-embedding unit for three-dimensional (3d) printing systemsDC PREC CERAMICS LLC·Filed 2024·Application pending·0 cites
- 0781US6392349B1Remote control test apparatusFiled 1999·Granted May 21, 2002·46 cites·13 claims
- 0873US12179416B2Manufacturing systems and methods for three-dimensional printingDC PREC CERAMICS LLC·Filed 2021·Granted Dec 31, 2024·0 cites·19 claims
- 0973US9941737B2Power over ethernet emergency lighting systemIOTA ENG LLC·Filed 2017·Granted Apr 10, 2018·1 cites·20 claims
- 1071US12194586B2Sanding systems, methods, and devicesDC PREC CERAMICS LLC·Filed 2023·Granted Jan 14, 2025·0 cites·8 claims
- 1161US10903682B2Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereofABL IP HOLDINGS LLC·Filed 2019·Granted Jan 26, 2021·0 cites·11 claims
- 1257US11714472B2Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereofABL IP HOLDINGS LLC·Filed 2021·Granted Aug 1, 2023·0 cites·15 claims
- 1350US7091676B2Arc maintenance device for high density discharge lamps including an adaptive wave form monitorBODINE COMPANY INC·Filed 2002·Granted Aug 15, 2006·5 cites·35 claims
- 1447US6756736B2Remote control test apparatusFiled 2001·Granted Jun 29, 2004·4 cites·36 claims
- 1541US9999108B2Emergency lighting driver with programmable output powerPHILIPS LIGHTING HOLDING BV·Filed 2015·Granted Jun 12, 2018·0 cites·13 claims
- 1638US10779380B2Power over ethernet exit signageIOTA ENG LLC·Filed 2019·Granted Sep 15, 2020·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →