Inventor · disambiguated record
David Simpson
Also filed as: SIMPSON DAVID · SIMPSON DAVID F
12 granted patents·1 pending application·100 citations·filing 1993–2022
91Inventor score
Top patents by PatentIndex Score
13 records- 0191US10813450B2Mobile workstation with adjustable heightMIDMARK CORP·Filed 2019·Granted Oct 27, 2020·10 cites·20 claims
- 0288US11547207B2Mobile workstation with adjustable heightMIDMARK CORP·Filed 2020·Granted Jan 10, 2023·3 cites·23 claims
- 0381USD894403SMobile cartMIDMARK CORP·Filed 2018·Granted Aug 25, 2020·14 cites·1 claims
- 0480USD919098SMobile cart with monitor mountMIDMARK CORP·Filed 2020·Granted May 11, 2021·6 cites·1 claims
- 0580USD894402SMobile cart with monitor mountMIDMARK CORP·Filed 2018·Granted Aug 25, 2020·14 cites·1 claims
- 0675USD919099SMobile cartMIDMARK CORP·Filed 2020·Granted May 11, 2021·4 cites·1 claims
- 0775US7726930B2Adjustable height jib for a hook-lift hoistSWAPLOADER U S A LTD·Filed 2005·Granted Jun 1, 2010·14 cites·7 claims
- 0872USD936840SMobile cartMIDMARK CORP·Filed 2021·Granted Nov 23, 2021·3 cites·1 claims
- 0970USD936839SMobile cart with monitor mountMIDMARK CORP·Filed 2021·Granted Nov 23, 2021·3 cites·1 claims
- 1068US5392551ASingle use firearm safety deviceFiled 1993·Granted Feb 28, 1995·28 cites·14 claims
- 1167US12048374B2Mobile workstation with adjustable heightMIDMARK CORP·Filed 2022·Granted Jul 30, 2024·0 cites·15 claims
- 1257USD936841SMobile cartMIDMARK CORP·Filed 2021·Granted Nov 23, 2021·1 cites·1 claims
- 1339US2005281651A1Hook lift hoist adaptable for use with containers of variabile lengthSIMPSON DAVID·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →