Inventor · Caledonia, WI, US

Patrick C. Tetzlaff

21Patents
4h-index
45Co-inventors
63Inventor score

Filing activity: Apr 26, 2000 → Mar 4, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US9073616B1 Marine engine cowling Performing Operations; Transporting 25 Active
US11235093B1 Breastmilk collection system Human Necessities 21 Active
US6360161B1 Method and system for fuel injector coefficient installation Mechanical Engineering; Lighting; Heating 17 Expired
US8858280B1 Marine engine rigging system Performing Operations; Transporting 11 Active
USD870879S1 Spherical surgical suction container General 4 Active
USD888937S1 Spherical surgical suction container General 4 Active
US6315624A Exhaust probe Mechanical Engineering; Lighting; Heating 4 Expired
US8925502B1 Hydraulically actuated valve assembly for an engine Emerging Cross-Sectional Technologies 3 Active
US7000591B1 Throttle assembly having deadband linkage Mechanical Engineering; Lighting; Heating 2 Expired
USD928307S1 Spherical surgical suction container General 2 Active
US6505600B1 Direct injection two stroke engine combustion mapping Emerging Cross-Sectional Technologies 2 Expired
US11612710B2 Endotracheal tube holding device Human Necessities 1 Active
US11234856B2 Ostomy belt system Human Necessities 1 Active
US11957615B2 Ostomy collection and drainage system Human Necessities 1 Active
US11896517B2 Adjustable convexity ostomy barrier Human Necessities 1 Active
US6840095B1 Exhaust diaphragm assembly Mechanical Engineering; Lighting; Heating 0 Expired
US12016985B2 Breastmilk collection system Human Necessities 0 Active
US12109145B2 Adjustable convexity ostomy barrier Human Necessities 0 Active
USD925729S1 Spherical surgical suction container General 0 Active
US11833073B1 Dynamic convex ostomy barrier Human Necessities 0 Active
US12226339B2 Ostomy collection and drainage system Human Necessities 0 Active

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