Inventor · Hägendorf, CH

Werner Sturm

12Patents
7h-index
3Co-inventors
59Inventor score

Filing activity: Mar 8, 1974 → Nov 16, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US3943334A Heat weldable, thermoplastic fitting Performing Operations; Transporting 49 Expired
US4117311A Electric welding muff Performing Operations; Transporting 42 Expired
US4224505A Electrically welding plastic sleeve Mechanical Engineering; Lighting; Heating 34 Expired
US4313053A Welding sleeve of thermoplastic material Performing Operations; Transporting 31 Expired
US4375591A Thermoplastic welding sleeve Performing Operations; Transporting 28 Expired
US4334146A Method and apparatus for joining thermoplastic line elements Performing Operations; Transporting 26 Expired
US4349219A Welding muff of thermoplastic material Electricity 21 Expired
US5039507A Method for the continuous reduction of sulphur dioxide-containing gases using coal or carbon Chemistry; Metallurgy 3 Expired
US4349397A Method and device for connecting pipe components made of weldable plastic Performing Operations; Transporting 3 Expired
US7867948B2 Use of guanidine compounds as physiological strengthening agents in the form of nutritional supplements, animal feed additives, in cosmetic preparations and as plant stimulants Human Necessities 2 Active
US4393571A Apparatus for producing an arc welded sleeve Emerging Cross-Sectional Technologies 1 Expired
US4851197A Apparatus for the continuous reduction of sulphur-containing gases Chemistry; Metallurgy 1 Expired

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