Assignee
ACF IND INC
US·396 granted patents·6,336 citations·filing 1961–1994
Top patents by PatentIndex Score
396 records- 0197US4163544ATwo piece composite valve seal ring constructionACF IND INC·Filed 1977·Granted Aug 7, 1979·80 cites·8 claims
- 0297US4068821AValve seat ring having a corner groove to receive an elastic seal ringACF IND INC·Filed 1976·Granted Jan 17, 1978·112 cites·6 claims
- 0397US3933100AHopper gate actuating mechanismACF IND INC·Filed 1974·Granted Jan 20, 1976·88 cites·14 claims
- 0496US4039115AApparatus for obtaining abutting contact of hollow tank courses to be circumferentially weldedACF IND INC·Filed 1976·Granted Aug 2, 1977·72 cites·16 claims
- 0595US4477055AValve seat for ball valvesACF IND INC·Filed 1983·Granted Oct 16, 1984·89 cites·14 claims
- 0694US4213480AManual override for hydraulic gate valve actuatorsACF IND INC·Filed 1978·Granted Jul 22, 1980·110 cites·14 claims
- 0794US4124194AMetallic seat construction for valvesACF IND INC·Filed 1977·Granted Nov 7, 1978·61 cites·9 claims
- 0893US4111393ABall valve seat assembly having a removably mounted face seal insertACF IND INC·Filed 1977·Granted Sep 5, 1978·76 cites·8 claims
- 0992US4608931AFilament wound railway hopper carACF IND INC·Filed 1981·Granted Sep 2, 1986·125 cites·7 claims
- 1092US4364542APacking gland assemblyACF IND INC·Filed 1981·Granted Dec 21, 1982·56 cites·8 claims
- 1192US4242966ARailway car truck transom including a tubular bearing assemblyACF IND INC·Filed 1979·Granted Jan 6, 1981·69 cites·9 claims
- 1292US4215749AGate valve for shearing workover lines to permit shutting in of a wellACF IND INC·Filed 1979·Granted Aug 5, 1980·122 cites·10 claims
- 1392US4081651AApparatus method for welding tank sectionsACF IND INC·Filed 1976·Granted Mar 28, 1978·50 cites·24 claims
- 1490US4463723AApparatus for controllably opening a carburetor choke valveACF IND INC·Filed 1982·Granted Aug 7, 1984·45 cites·14 claims
- 1590US4406303AGate valve with position indicatorACF IND INC·Filed 1981·Granted Sep 27, 1983·63 cites·3 claims
- 1690US4368927AHand brake release apparatusACF IND INC·Filed 1981·Granted Jan 18, 1983·34 cites·15 claims
- 1789US4286614AHigh temperature ball valveACF IND INC·Filed 1979·Granted Sep 1, 1981·49 cites·15 claims
- 1889US4262691ACam means for ball valve seat ringsACF IND INC·Filed 1979·Granted Apr 21, 1981·54 cites·8 claims
- 1989US4135546AStem packing assembly for gate valves and means for removalACF IND INC·Filed 1977·Granted Jan 23, 1979·46 cites·8 claims
- 2088US4504047AScissor support for welding tank sectionsACF IND INC·Filed 1982·Granted Mar 12, 1985·46 cites·21 claims
- 2188US4293116AMetallic seat assembly for valvesACF IND INC·Filed 1979·Granted Oct 6, 1981·53 cites·20 claims
- 2288US4290581ASeat assembly for ball valvesACF IND INC·Filed 1979·Granted Sep 22, 1981·44 cites·4 claims
- 2388US4265182ADamping railway car truckACF IND INC·Filed 1979·Granted May 5, 1981·60 cites·6 claims
- 2488US4262688AMetal seat assemblies for valvesACF IND INC·Filed 1979·Granted Apr 21, 1981·91 cites·9 claims
- 2587US4175526AApparatus for venting fuel vapors from a carburetor fuel bowlACF IND INC·Filed 1977·Granted Nov 27, 1979·33 cites·9 claims
- 2685US4266566ASpring assembly for floating seat ringACF IND INC·Filed 1979·Granted May 12, 1981·39 cites·6 claims
- 2785US4248160ARailway hatch cover and strap latching assemblyACF IND INC·Filed 1979·Granted Feb 3, 1981·41 cites·18 claims
- 2885US4208035AMetal gate valve seat having a flexible front lip face sealACF IND INC·Filed 1978·Granted Jun 17, 1980·39 cites·9 claims
- 2985US4177998APacking gland assemblyACF IND INC·Filed 1978·Granted Dec 11, 1979·43 cites·2 claims
- 3085US4175577AMeans and method for in-line removal of seat rings in ball valvesACF IND INC·Filed 1978·Granted Nov 27, 1979·38 cites·11 claims
- 3184US4121495ACar key hole bolt fastening assemblyACF IND INC·Filed 1976·Granted Oct 24, 1978·50 cites·21 claims
- 3284US4108080ARailway car truck and side bearing assemblyACF IND INC·Filed 1976·Granted Aug 22, 1978·38 cites·4 claims
- 3384US4101754AAdjusting circuit for use in plasma arc cutting torchACF IND INC·Filed 1976·Granted Jul 18, 1978·31 cites·18 claims
- 3483US4305360AEngine automatic idle speed control apparatusACF IND INC·Filed 1979·Granted Dec 15, 1981·29 cites·21 claims
- 3583US4162782ASeal assembly for butterfly valveACF IND INC·Filed 1978·Granted Jul 31, 1979·51 cites·23 claims
- 3683US4151855ABall valve assembly tools and method of using sameACF IND INC·Filed 1977·Granted May 1, 1979·35 cites·11 claims
- 3783US4147327AMetallic seals for ball valveACF IND INC·Filed 1977·Granted Apr 3, 1979·37 cites·8 claims
- 3882US4436279AStem connection for gate valveACF IND INC·Filed 1982·Granted Mar 13, 1984·45 cites·7 claims
- 3982US3981481ABottom operable tank car valveACF IND INC·Filed 1974·Granted Sep 21, 1976·34 cites·13 claims
- 4081US4677917AHigh volume covered hopper car with loading from below and automatic unloadingACF IND INC·Filed 1985·Granted Jul 7, 1987·41 cites·14 claims
- 4181US4177833AValves having a pressure equalizer across dual face sealsACF IND INC·Filed 1978·Granted Dec 11, 1979·34 cites·10 claims
- 4280US4246928ARestricted movement valve seats for an expanding gate valveACF IND INC·Filed 1979·Granted Jan 27, 1981·37 cites·9 claims
- 4380US4041970AQuick bleed exhaust valveACF IND INC·Filed 1976·Granted Aug 16, 1977·25 cites·3 claims
- 4479US4147183AValve using rolamite mechanismACF IND INC·Filed 1977·Granted Apr 3, 1979·29 cites·8 claims
- 4579US4101175ARailway hopper car for unloading ladings which do not readily fluidizeACF IND INC·Filed 1977·Granted Jul 18, 1978·32 cites·2 claims
- 4679US4034959AValve seal retaining meansACF IND INC·Filed 1975·Granted Jul 12, 1977·27 cites·16 claims
- 4778US4300205AAutomative engine simulating apparatusACF IND INC·Filed 1980·Granted Nov 10, 1981·34 cites·24 claims
- 4878US4291862AExpanding gate valveACF IND INC·Filed 1979·Granted Sep 29, 1981·29 cites·8 claims
- 4977US4397594ACollapsible trailer hitch bumper block assemblyACF IND INC·Filed 1980·Granted Aug 9, 1983·27 cites·7 claims
- 5077US4354523ALubricant fitting for a valveACF IND INC·Filed 1980·Granted Oct 19, 1982·34 cites·3 claims
Showing the top 50 of 396 patent records by PatentIndex Score.
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