Inventor · Oak Grove, MN, US

Mark E. Ulrich

15Patents
5h-index
19Co-inventors
63Inventor score

Filing activity: May 25, 2000 → Jun 1, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD457599S1 Electrostatic spray gun General 74 Expired
US6854667B2 Spray gun having indexing air cap with quick release retaining ring Performing Operations; Transporting 26 Expired
USD757214S1 Automatic electrostatic gun General 20 Active
USD934383S1 Electrostatic spray gun General 9 Active
USD929539S1 Electrostatic spray gun General 6 Active
USD956177S1 Electrostatic spray probe General 5 Active
US6499673B1 Pattern controllable dispensing apparatus Performing Operations; Transporting 4 Expired
US10926275B1 Electrostatic handheld sprayer Performing Operations; Transporting 4 Active
USD985718S1 Electrostatic spray probe General 1 Active
US10046343B2 Alternator indicator for electrostatic spray gun Performing Operations; Transporting 1 Active
USD920486S1 Transparently-wrapped electrostatic sprayer fluid tube General 1 Active
US10239070B2 Impeller for electrostatic spray gun Mechanical Engineering; Lighting; Heating 0 Active
US11738358B2 Electrostatic handheld sprayer Performing Operations; Transporting 0 Active
US9616438B2 Impeller for electrostatic spray gun Mechanical Engineering; Lighting; Heating 0 Active
US9610596B2 Alternator for electrostatic spray gun Performing Operations; Transporting 0 Active

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