Inventor · Houston, TX, US

Dieter H. Hellnick

5Patents
4h-index
3Co-inventors
42Inventor score

Filing activity: Mar 12, 1979 → Aug 29, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US4763737A Downhole cutter Fixed Constructions 25 Expired
US4281430A Method and apparatus for machining pipe collars Emerging Cross-Sectional Technologies 14 Expired
US4708038A Method for machining and improved modified threaded collar Emerging Cross-Sectional Technologies 12 Expired
US4375708A Non-indexing machining method and apparatus Emerging Cross-Sectional Technologies 11 Expired
US4244068A Method and apparatus for machining pipe collars Emerging Cross-Sectional Technologies 1 Expired

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