Assignee
CHICAGO RAWHIDE MFG CO
US·41 granted patents·1,496 citations·filing 1971–1992
Top patents by PatentIndex Score
41 records- 0194US4501431AComposite teflon helix sealCHICAGO RAWHIDE MFG CO·Filed 1983·Granted Feb 26, 1985·86 cites·16 claims
- 0294US4448426AUnitized oil sealsCHICAGO RAWHIDE MFG CO·Filed 1981·Granted May 15, 1984·88 cites·13 claims
- 0394US4372847AFuel filter assembly and cartridgeCHICAGO RAWHIDE MFG CO·Filed 1981·Granted Feb 8, 1983·173 cites·13 claims
- 0490US4428586ACombination wear sleeve and excluder lip adapted for easy installationCHICAGO RAWHIDE MFG CO·Filed 1983·Granted Jan 31, 1984·52 cites·9 claims
- 0589US4094516ATrack pin assemblies and seal thereforCHICAGO RAWHIDE MFG CO·Filed 1977·Granted Jun 13, 1978·57 cites·13 claims
- 0689US4094514AMetal alloy composition with improved wear resistanceCHICAGO RAWHIDE MFG CO·Filed 1977·Granted Jun 13, 1978·29 cites·9 claims
- 0788US5183269AUnitized grit seal with removable thrust bumperCHICAGO RAWHIDE MFG CO·Filed 1991·Granted Feb 2, 1993·85 cites·18 claims
- 0888US4531748AFluid seal with unitary wear sleeve elementCHICAGO RAWHIDE MFG CO·Filed 1984·Granted Jul 30, 1985·48 cites·12 claims
- 0987US4433846AReadily removable shaft seal including venting tabCHICAGO RAWHIDE MFG CO·Filed 1983·Granted Feb 28, 1984·47 cites·12 claims
- 1084US4522411AFluid seals with self-venting auxiliary lipsCHICAGO RAWHIDE MFG CO·Filed 1984·Granted Jun 11, 1985·61 cites·10 claims
- 1183US4073540ASealed hub cap and methodCHICAGO RAWHIDE MFG CO·Filed 1976·Granted Feb 14, 1978·32 cites·9 claims
- 1282US5244215ARotary shaft seal with retractable excluder lipCHICAGO RAWHIDE MFG CO·Filed 1992·Granted Sep 14, 1993·61 cites·5 claims
- 1382US3940154AEnd face seal assembliesCHICAGO RAWHIDE MFG CO·Filed 1974·Granted Feb 24, 1976·37 cites·6 claims
- 1481US4094519AShaft seal with helical pumping elementCHICAGO RAWHIDE MFG CO·Filed 1974·Granted Jun 13, 1978·42 cites·4 claims
- 1578US4560177AContoured shaft seal for high pressure applicationsCHICAGO RAWHIDE MFG CO·Filed 1984·Granted Dec 24, 1985·30 cites·11 claims
- 1676US3950119AApparatus for molding fluid seal elementsCHICAGO RAWHIDE MFG CO·Filed 1974·Granted Apr 13, 1976·28 cites·6 claims
- 1775US4508020AMulti-function fluid seal for dampers and the likeCHICAGO RAWHIDE MFG CO·Filed 1983·Granted Apr 2, 1985·42 cites·9 claims
- 1874US4643436AFluid seals with unitary wear sleeve elementsCHICAGO RAWHIDE MFG CO·Filed 1985·Granted Feb 17, 1987·36 cites·3 claims
- 1969US4580962ASeal mold and methodCHICAGO RAWHIDE MFG CO·Filed 1984·Granted Apr 8, 1986·27 cites·12 claims
- 2067US4527673AMulti-purpose fluid seal for movement control dampers and the likeCHICAGO RAWHIDE MFG CO·Filed 1982·Granted Jul 9, 1985·27 cites·5 claims
- 2166US5178017ATest fixture for measuring stiffness in flexible materialsCHICAGO RAWHIDE MFG CO·Filed 1991·Granted Jan 12, 1993·35 cites·16 claims
- 2266US4934668AUnitary seal for gas pressure spring assemblyCHICAGO RAWHIDE MFG CO·Filed 1988·Granted Jun 19, 1990·30 cites·10 claims
- 2366US4125247AApparatus for manufacturing fluid sealsCHICAGO RAWHIDE MFG CO·Filed 1978·Granted Nov 14, 1978·21 cites·11 claims
- 2465US4613005AUnitized seal for severe service applicationsCHICAGO RAWHIDE MFG CO·Filed 1984·Granted Sep 23, 1986·33 cites·13 claims
- 2564US4689190AMethod of and apparatus for molding a composite fluorocarbon helix sealCHICAGO RAWHIDE MFG CO·Filed 1984·Granted Aug 25, 1987·21 cites·8 claims
- 2663US5176215AComposite drain plugCHICAGO RAWHIDE MFG CO·Filed 1991·Granted Jan 5, 1993·35 cites·11 claims
- 2763US3997286AMolding apparatus and vacuum system thereforCHICAGO RAWHIDE MFG CO·Filed 1976·Granted Dec 14, 1976·17 cites·18 claims
- 2861US4851176AMethod of forming a fluid sealCHICAGO RAWHIDE MFG CO·Filed 1988·Granted Jul 25, 1989·27 cites·1 claims
- 2961US4121740AInjector head for injection molding machineCHICAGO RAWHIDE MFG CO·Filed 1977·Granted Oct 24, 1978·20 cites·4 claims
- 3060US4824357AApparatus for manufacturing seal componentsCHICAGO RAWHIDE MFG CO·Filed 1988·Granted Apr 25, 1989·22 cites·8 claims
- 3158US4616836AReverse lip positive venting sealCHICAGO RAWHIDE MFG CO·Filed 1985·Granted Oct 14, 1986·21 cites·9 claims
- 3254US5183267ASeal for sending unitCHICAGO RAWHIDE MFG CO·Filed 1987·Granted Feb 2, 1993·19 cites·10 claims
- 3352US5152538AComposite seal assemblyCHICAGO RAWHIDE MFG CO·Filed 1990·Granted Oct 6, 1992·22 cites·10 claims
- 3449US4365936ALaminated elastomeric bearing unitCHICAGO RAWHIDE MFG CO·Filed 1979·Granted Dec 28, 1982·21 cites·18 claims
- 3549US3993420ARetainer assembly for mold plateCHICAGO RAWHIDE MFG CO·Filed 1975·Granted Nov 23, 1976·12 cites·7 claims
- 3647US4738606AMold assembly for forming a seal unitCHICAGO RAWHIDE MFG CO·Filed 1986·Granted Apr 19, 1988·17 cites·6 claims
- 3744US4363595AApparatus for unloading molded articlesCHICAGO RAWHIDE MFG CO·Filed 1980·Granted Dec 14, 1982·6 cites·7 claims
- 3841US3936257AClosed stroke moldingCHICAGO RAWHIDE MFG CO·Filed 1971·Granted Feb 3, 1976·9 cites·3 claims
- 3939US4556225AReverse lip positive venting sealCHICAGO RAWHIDE MFG CO·Filed 1983·Granted Dec 3, 1985·7 cites·12 claims
- 4039US3988091AOil seal manufacturing apparatus and methodCHICAGO RAWHIDE MFG CO·Filed 1975·Granted Oct 26, 1976·6 cites·4 claims
- 4137US4526384ASeal having casing unit with contoured annular inner diameterCHICAGO RAWHIDE MFG CO·Filed 1983·Granted Jul 2, 1985·7 cites·11 claims
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