Inventor · Lebanon, NH, US

Peter J. Twarog

30Patents
10h-index
36Co-inventors
71Inventor score

Filing activity: Nov 16, 2004 → May 31, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7375302B2 Plasma arc torch having an electrode with internal passages Electricity 72 Expired
US7375303B2 Plasma arc torch having an electrode with internal passages Electricity 57 Expired
US8035055B2 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes Electricity 52 Active
US8624150B2 Adapter for a plasma arc torch Electricity 38 Active
US7989727B2 High visibility plasma arc torch Electricity 29 Active
US8525069B1 Method and apparatus for improved cutting life of a plasma arc torch Emerging Cross-Sectional Technologies 26 Active
US8153927B2 High visibility plasma arc torch Electricity 26 Active
US8759709B2 Method and apparatus for improved cutting life of a plasma arc torch Emerging Cross-Sectional Technologies 20 Active
US9481050B2 Plasma arc cutting system and persona selection process Performing Operations; Transporting 18 Active
US9981335B2 Consumable cartridge for a plasma arc cutting system Electricity 11 Active
US8981253B2 Forward flow, high access consumables for a plasma arc cutting torch Emerging Cross-Sectional Technologies 7 Active
US9560732B2 High access consumables for a plasma arc cutting system Emerging Cross-Sectional Technologies 6 Active
US9492883B2 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes Electricity 5 Active
US8884179B2 Torch flow regulation using nozzle features Electricity 3 Active
US11684994B2 Consumable cartridge for a plasma arc cutting system Electricity 3 Active
US10960485B2 Consumable cartridge for a plasma arc cutting system Electricity 3 Active
US11278983B2 Consumable cartridge for a plasma arc cutting system Electricity 3 Active
USD815596S1 Power supply General 2 Active
US8614404B2 Articulated thermal processing torch Electricity 2 Active
US9781818B2 Asymmetric consumables for a plasma arc torch Emerging Cross-Sectional Technologies 2 Active
US9107282B2 Asymmetric consumables for a plasma arc torch Emerging Cross-Sectional Technologies 1 Active
US10542614B2 Apparatus and method for securing a plasma torch electrode Electricity 1 Active
US9480138B2 Articulating thermal processing torches and related systems and methods Electricity 1 Active
US8975555B2 Protective shell for a hand held plasma cutting torch Electricity 1 Active
US8680425B2 Plasma arc torch having an electrode with internal passages Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.