Inventor · Rockford, IL, US

William E. Seidel

19Patents
8h-index
24Co-inventors
72Inventor score

Filing activity: May 13, 1985 → Mar 25, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5972920A Formulation containing a carrier, active ingredient, and surfactant for treating skin disorders Human Necessities 58 Expired
US4991796A Ram air turbine drive system Emerging Cross-Sectional Technologies 33 Expired
US4617958A Control valve Emerging Cross-Sectional Technologies 29 Expired
US5145324A RAM air turbine driving a variable displacement hydraulic pump Emerging Cross-Sectional Technologies 26 Expired
US5257907A Axially compact ram air turbine Emerging Cross-Sectional Technologies 14 Expired
US4906166A Liquid coolant circulating system employing intergrated pump/accumulator Mechanical Engineering; Lighting; Heating 14 Expired
US7419357B2 Ram air turbine blade disengagement mechanism for over-speed prevention Performing Operations; Transporting 13 Active
US7296970B2 Ram air turbine speed sensing ball detent over-speed prevention mechanism Performing Operations; Transporting 12 Expired
US7410344B2 Ram air turbine centrifugal brake Mechanical Engineering; Lighting; Heating 4 Active
US4669700A Pilot operated valve Physics 3 Expired
US4967886A Dual function brake and manual drive actuating system Mechanical Engineering; Lighting; Heating 2 Expired
US10322815B1 Stored electrical energy assisted ram air turbine (RAT) system Emerging Cross-Sectional Technologies 1 Active
US10099772B2 Ice-shedding spinner for ram air turbine Emerging Cross-Sectional Technologies 1 Active
US9976636B2 Locking mechanisms for ram air turbines Performing Operations; Transporting 1 Active
US9976579B2 Ram air turbine actuator system Mechanical Engineering; Lighting; Heating 1 Active
US10661913B2 Hybrid ram air turbine with in-line hydraulic pump and generator Emerging Cross-Sectional Technologies 0 Active
US11717496B2 Cannabinoid formulation containing active ingredients and carrier for transdermal absorption to treat neuropathy Human Necessities 0 Active
US11311499B2 Cannabinoid formulation containing active ingredients and carrier for transdermal absorption to treat neuropathy Human Necessities 0 Active
US9561862B2 Stall recovery system for a ram air turbine Emerging Cross-Sectional Technologies 0 Active

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