Inventor · disambiguated record

John H. Gammage

Also filed as: GAMMAGE JOHN H · GAMMAGE JOHN HUDSON

4 granted patents·58 citations·filing 2005–2020

73Inventor score

Technology areasC22C C23C

Files withINNOVEX DOWNHOLE SOLUTIONS INC2 ANTELOPE OIL TOOL & MFG CO LLC1 WEAR SOX L P1

Top patents by PatentIndex Score

4 records

0192US9920412B2Chromium-free thermal spray composition, method, and apparatusANTELOPE OIL TOOL & MFG CO LLC·Filed 2014·Granted Mar 20, 2018·8 cites·21 claims
0292US7487840B2Wear resistant layer for downhole well equipmentWEAR SOX L P·Filed 2005·Granted Feb 10, 2009·49 cites·38 claims
0384US10577685B2Chromium-free thermal spray composition, method, and apparatusINNOVEX DOWNHOLE SOLUTIONS INC·Filed 2018·Granted Mar 3, 2020·1 cites·19 claims
0469US11608552B2Chromium-free thermal spray composition, method, and apparatusINNOVEX DOWNHOLE SOLUTIONS INC·Filed 2020·Granted Mar 21, 2023·0 cites·21 claims

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