Inventor · disambiguated record
Marcin K. Barker
Also filed as: BARKER MARCIN K
3 granted patents·1 pending application·83 citations·filing 1999–2018
66Inventor score
Top patents by PatentIndex Score
4 records- 0174US6263763B1Power tong and backup tong systemUNIVERSE MACHINE CORP·Filed 1999·Granted Jul 24, 2001·81 cites·21 claims
- 0259US8418586B2Power tong with door jammer valveFEIGEL KURT R JR·Filed 2010·Granted Apr 16, 2013·2 cites·2 claims
- 0354US10988995B2Shutoff valveUNIVERSE MACHINE CORP·Filed 2018·Granted Apr 27, 2021·0 cites·8 claims
- 0447US2014246105A1Shutoff valveUNIVERSE MACHINE CORP·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →