JB

John Black

NA Nilfisk A/S: 3 patents #1 of 62Top 2%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #711,905 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11432698 Mobile robotic cleaner Kipp Knutson, Stuart McDonald, Stephen Klopp, Dave Wood, Donald Joseph Legatt 2022-09-06
11083357 Water trailing detection system Kipp Knutson, Stuart McDonald, Stephen Klopp, Dave Wood, Donald Joseph Legatt 2021-08-10
10010231 Water trailing detection system Kipp Knutson, Stuart McDonald, Stephen Klopp, Dave Wood, Donald Joseph Legatt 2018-07-03
4753577 Fluid powered retrievable downhole pump Stanford A. Smith, Jr., Robert C. Toups 1988-06-28
4718486 Portable jet pump system with pump lowered down hole and raised with coiled pipe and return line 1988-01-12
4658893 Jet pump with reverse flow removal of injection nozzle 1987-04-21
4603735 Down the hole reverse up flow jet pump 1986-08-05