Assignee
HASKEL INC
US19 patents
Top patents by PatentIndex Score
US4581817AApr 15, 1986
Drawbar swaging apparatus with segmented confinement structure
HASKEL INC118 citations96
US4567631AFeb 4, 1986
Method for installing tubes in tube sheets
HASKEL INC80 citations96
US4502308AMar 5, 1985
Swaging apparatus having elastically deformable members with segmented supports
HASKEL INC106 citations96
US4467630AAug 28, 1984
Hydraulic swaging seal construction
HASKEL INC95 citations96
US4450612AMay 29, 1984
Swaging apparatus for radially expanding tubes to form joints
HASKEL INC60 citations96
US5062199ANov 5, 1991
Apparatus for radially expanding and anchoring sleeves within tubes
HASKEL INC22 citations92
US4602500AJul 29, 1986
Apparatus for leakage testing of tubes and joints
HASKEL INC49 citations92
US4505142AMar 19, 1985
Flexible high pressure conduit and hydraulic tool for swaging
HASKEL INC44 citations92
US4470280ASep 11, 1984
Swaging apparatus with timed pre-fill
HASKEL INC51 citations92
US4414739ANov 15, 1983
Apparatus for hydraulically forming joints between tubes and tube sheets
HASKEL INC46 citations92
US4761981AAug 9, 1988
Swaging apparatus for flaring and anchoring tubes
HASKEL INC24 citations82
US4708036ANov 24, 1987
Stud tensioning apparatus
HASKEL INC55 citations81
US5009002AApr 23, 1991
Method for radially expanding and anchoring sleeves within tubes
HASKEL INC20 citations73
US4607426AAug 26, 1986
Swaging method and apparatus for axially extended expansion of tubes
HASKEL INC12 citations73
US4445261AMay 1, 1984
Method for installing tubes in a tube sheet
HASKEL INC9 citations73
US4604918AAug 12, 1986
Apparatus for applying tension to studs
HASKEL INC7 citations68
US4405292ASep 20, 1983
Pneumatically controlled rate pump
HASKEL INC17 citations62
US4441862AApr 10, 1984
Synchronized mixing pump
HASKEL INC17 citations60
US4622732ANov 18, 1986
Method for forming joints in pressurized fluid systems
HASKEL INC14 citations59