Inventor · disambiguated record
Derek Crutchley
Also filed as: CRUTCHLEY DEREK
5 granted patents·50 citations·filing 1999–2011
78Inventor score
Top patents by PatentIndex Score
5 records- 0185US7237424B2Split die for forming grooved workpieceAVDEL UK LTD·Filed 2003·Granted Jul 3, 2007·17 cites·11 claims
- 0266US8444356B2Blind stud insertCRUTCHLEY DEREK·Filed 2007·Granted May 21, 2013·7 cites·20 claims
- 0358US7503106B2Method of fasteningTEXTRON FASTENING SYST LTD·Filed 2002·Granted Mar 17, 2009·7 cites·7 claims
- 0448US6447227B1Threaded fastenerTEXTRON FASTENING SYST LTD·Filed 1999·Granted Sep 10, 2002·19 cites·13 claims
- 0539US9234538B2FastenerCRUTCHLEY DEREK·Filed 2011·Granted Jan 12, 2016·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →