RH

Robert W. Hengesbach

📍 Mentor, OH: #10 of 709 inventorsTop 2%
🗺 Ohio: #1,232 of 73,341 inventorsTop 2%
Overall (All Time): #91,090 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
5287887 Handle operated flow control valve 1994-02-22
D331964 Combined flow control valve and spray wand tube 1992-12-22
D325621 Flow control valve 1992-04-21
D322305 Combined reversible sprinkler nozzle and support ring 1991-12-10
D318316 Combined handle operated flow control valve with pressure gauge 1991-07-16
D315780 Combined spray wand tip portion and swivel-mounted nozzle 1991-03-26
D313458 Combined reversible sprinkler nozzle and support ring 1991-01-01
D313457 Combined reversible sprinkler nozzle and support ring 1991-01-01
D310861 Combined curved wand tip with swivel-mounted nozzle 1990-09-25
D310708 Combined reversible sprinkler nozzle and support ring 1990-09-18
D310555 Combined reversible sprinkler nozzle and support ring 1990-09-11
D310404 Combined reversible sprinkler nozzle and support ring 1990-09-04
D308094 Combined handle-operated flow control valve and pressure gauge 1990-05-22
D304487 Flow control valve and nozzle 1989-11-07
D304490 Flow control valve 1989-11-07
D304488 Combined flow control valve and nozzle 1989-11-07
D304489 Combined flow control valve and nozzle 1989-11-07
D302201 Combined hand-held sprayer and swivel-mounted sprinkler nozzle 1989-07-11
D293127 Flow control nozzle for sprayers 1987-12-08
D292606 Flow control nozzle 1987-11-03
D288838 Spraying wand 1987-03-17
D288839 Spraying wand 1987-03-17
4629121 Flow control nozzle and shutoff valve having screen-carrying passage in rotatable stem 1986-12-16
D285477 Combined trigger sprayer and container 1986-09-02
D285479 Combined flow control valve and nozzle 1986-09-02