Inventor · Weatherford, OK, US

William J. Tefft

2Patents
1h-index
9Co-inventors
41Inventor score

Filing activity: Jan 13, 1997 → Jun 5, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5770006A Butt fusion machine for manufacturing full size segemented pipe turns Performing Operations; Transporting 17 Expired
US11719341B2 Vessel closure device with fail safe failure detection means Mechanical Engineering; Lighting; Heating 1 Active

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