Inventor · Windom, MN, US

Robert A. Hatch

7Patents
7h-index
12Co-inventors
56Inventor score

Filing activity: Dec 8, 1972 → Aug 8, 1984

Most-cited inventions

PatentTitleAreaCited byStatus
US4275558A Gas turbine engine fuel governor Mechanical Engineering; Lighting; Heating 21 Expired
US4605594A Ceramic articles having a nonporous core and porous outer layer Emerging Cross-Sectional Technologies 20 Expired
US3961907A Catalytic converter Emerging Cross-Sectional Technologies 17 Expired
US4244181A Variable geometry gas turbine engine fuel and guide vane control Mechanical Engineering; Lighting; Heating 11 Expired
US4274253A Control for turbine and recuperator inlet temperatures Mechanical Engineering; Lighting; Heating 10 Expired
US4266401A Gas turbine engine fuel control Mechanical Engineering; Lighting; Heating 10 Expired
US3959865A Method of containing a resiliently supported rigid ceramic catalyst support Emerging Cross-Sectional Technologies 9 Expired

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