Inventor · Unterkulm, CH

Peter Wirz

42Patents
17h-index
39Co-inventors
81Inventor score

Filing activity: May 20, 1981 → Oct 3, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4978437A Method of applying optical coatings of silicon compounds by cathode sputtering, and a sputtering cathode for the practice of the method Chemistry; Metallurgy 69 Expired
US4824545A Apparatus for coating substrates Chemistry; Metallurgy 38 Expired
US4810346A Magnetron type sputtering cathode Electricity 36 Expired
USD692547S1 Aroma-diffusing apparatus General 35 Active
US4395050A Sealing arrangement specifically for shut off devices Mechanical Engineering; Lighting; Heating 32 Expired
USD638217S1 Tool box General 31 Expired
USD551672S1 User interface for a computer display General 31 Expired
USD512723S1 User interface for a computer display General 30 Expired
USD512722S1 User interface for a computer display General 29 Expired
USD692551S1 Aroma-diffusing apparatus General 25 Active
USD890361S1 Laboratory instrument General 23 Active
USD686721S1 Wall socket aroma diffuser General 23 Active
USD692550S1 Aroma-diffusing apparatus General 19 Active
USD551673S1 User interface for a computer display General 19 Expired
USD692548S1 Aroma-diffusing apparatus General 18 Active
US4927513A Method and arrangement for fabricating magneto-optical, storable, and/or deletable data carriers Electricity 18 Expired
US4988422A Process and apparatus for depositing coatings of high electrical resistance by cathode sputtering Electricity 18 Expired
US4734183A Sputtering cathode on the magnetron principle Electricity 17 Expired
USD801291S1 Converter cabinet unit General 16 Active
US4546790A Fluid valve Emerging Cross-Sectional Technologies 16 Expired
US9498553B2 Aroma-diffusing heating device using a replaceable aroma capsule and the aroma capsule Human Necessities 16 Active
US4669873A Spectrophotometer Physics 16 Expired
USD692549S1 Aroma-diffusing apparatus General 15 Active
US6280156A Magnetically coupled rotary pump Mechanical Engineering; Lighting; Heating 15 Expired
US4601806A Magnetron cathode for sputtering ferromagnetic targets Electricity 15 Expired

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