Inventor · disambiguated record
David John Langford
Also filed as: LANGFORD DAVID JOHN
5 granted patents·104 citations·filing 2000–2016
79Inventor score
Top patents by PatentIndex Score
5 records- 0191US6466141B1Skew detection systemLUCAS INDUSTRIES LTD·Filed 2000·Granted Oct 15, 2002·77 cites·14 claims
- 0274US8272285B2Failsafe actuatorKEARNS KEITH·Filed 2009·Granted Sep 25, 2012·13 cites·13 claims
- 0370US9140048B2Actuator with locking arrangementLANGFORD DAVID JOHN·Filed 2012·Granted Sep 22, 2015·5 cites·12 claims
- 0460US6625973B1Lock mechanismLUCAS INDUSTRIES LTD·Filed 2002·Granted Sep 30, 2003·9 cites·21 claims
- 0531US10816074B2Actuator mechanismGOODRICH ACTUATION SYSTEMS LTD·Filed 2016·Granted Oct 27, 2020·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →