HH

Harold K. Haavik

TE The Nash Engineering: 12 patents #1 of 27Top 4%
AA A. Ahlstrom: 1 patents #75 of 166Top 50%
📍 South Norwalk, CT: #1 of 19 inventorsTop 6%
🗺 Connecticut: #3,479 of 34,797 inventorsTop 10%
Overall (All Time): #389,580 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6394777 Cooling gas in a rotary screw type pump 2002-05-28
5961295 Mixed flow liquid ring pumps Douglas Sweet 1999-10-05
5653582 Fluid bearing pad arrangement for liquid ring pump systems Andrew C. Harvey, Richard Gerard Cadotte, Thomas R. Dardis, Ellis J. Cooper 1997-08-05
5370502 Liquid ring pumps with pressurized gas supported rotating liners Kaj Holm 1994-12-06
5295794 Liquid ring pumps with rotating liners 1994-03-22
5217352 Two-stage liquid ring pump with rotating liner in first stage supported by liquid from second stage 1993-06-08
5197863 Bearing fluid distribution systems for liquid ring pumps with rotating lobe liners Thomas R. Dardis, Douglas Eric Bissell 1993-03-30
5114310 Centrifugal pump with sealing means Tapio Peroaho, Reijo Vesala, Vesa Vikman 1992-05-19
5100300 Liquid ring pumps having rotating lobe liners with end walls 1992-03-31
4613283 Liquid ring compressors 1986-09-23
4422832 Liquid ring pump with vanes in liquid ring 1983-12-27
4334830 Two-stage liquid ring pump with improved intrastage and interstage sealing means 1982-06-15
4323334 Two stage liquid ring pump 1982-04-06