| Patents for B61K 3 - Wetting or lubricating rails or wheel flanges (566) |
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| 06/23/1993 | CN2136780Y Lubricating device for wheel flange and rail |
| 05/26/1993 | CN2134419Y Oil applicator for rail |
| 05/12/1993 | CN1020566C Screw bolt and nut grease-smearing unit |
| 12/02/1992 | EP0323495B1 Construction for controlled lubrication of at least one of a number of elements displaceable relative to one another, by the movement of one of said elements |
| 09/23/1992 | CN2116627U Rail oil-painting unit |
| 09/23/1992 | CN1018350B Wheel-track lubricating installations mounted on a locomotive |
| 08/26/1992 | CN2113922U Groud contactless automatic oiler for curve rails |
| 07/14/1992 | CA1305076C Lubricating nozzle apparatus and method |
| 07/02/1992 | DE4141049A1 Control for motor driven lubricant pump - has microphone as sensor for rail acoustic vibrations whose signals are fed to band pass filter |
| 04/22/1992 | CN2102225U Lubrication device for locomotive installation wheel track |
| 02/25/1992 | CA1296316C Solid lubricant composition |
| 02/04/1992 | US5085292 Apparatus for lubricating railroad vehicle wheel flanges |
| 12/31/1991 | US5076396 Hydraulic rail lubricator |
| 10/08/1991 | US5054582 Stick coating applicator holder |
| 09/25/1991 | CN1054742A Multi functional and adjustable pen series |
| 09/18/1991 | CN1054562A Screw bolt, nut grease-smearing unit |
| 08/22/1991 | DE4107807A1 Rolling stool bogie - has small wheels for wagon platform height of loom, instead of one large wheel on each bogie |
| 08/21/1991 | CN2083131U Automatic oiling machine mounted on the train for curve rail |
| 07/10/1991 | CN2080484U Greasing device mounted on vehicle for curve rail for railway |
| 05/22/1991 | CN1051534A Wheel-track lubricating installations mounted on a locomotive |
| 01/02/1991 | CN2068479U Auto-oiling device for wheeltrack |
| 09/11/1990 | US4955953 Lubricating device |
| 06/05/1990 | US4930600 Method of operating a train on railroad tracks |
| 05/01/1990 | US4921732 Railroad tie service vehicle and method for spray application of a preservative |
| 04/10/1990 | US4915195 Apparatus for lubricating railroad vehicle wheel flanges |
| 01/23/1990 | US4895408 Railway truck and truck wheelset and method for lubricating a railway rail |
| 01/17/1990 | CN2051204U Grease spraying device for locomotive wheel flange |
| 09/13/1989 | CN2044232U Automatic oil applier mounted on bus for curved rail bar |
| 09/06/1989 | CN2043952U Manual rail fat, liquoring wheelbarrow |
| 08/15/1989 | US4856617 Railway lubricating system and method |
| 07/12/1989 | EP0323495A1 Construction for controlled lubrication of at least one of a number of elements displaceable relative to one another, by the movement of one of said elements. |
| 06/28/1989 | CN2040059U Oil coating device for railway track |
| 05/30/1989 | US4834218 Lubricating nozzle apparatus and method |
| 03/14/1989 | US4811818 Transit rail lubricant applicator |
| 12/29/1988 | WO1988010204A1 Construction for controlled lubrication of at least one of a number of elements displaceable relative to one another, by the movement of one of said elements |
| 08/16/1988 | US4763759 Apparatus for lubricating wheel flanges of a railroad vehicle |
| 07/20/1988 | EP0274568A1 Improved lubricating nozzle apparatus and method |
| 04/20/1988 | CN87200521U Transmission equipment of ground automatic grese smearing device for crooked rails |
| 04/13/1988 | EP0263249A1 Dosing device |
| 04/12/1988 | US4736818 For use with a vehicle adapted to travel over the road and along track |
| 02/17/1988 | CN87208518U Automatic oiler for track (for lift ect. ) |
| 02/03/1988 | CN87206805U Lubricating oil sprayer of wheel rim |
| 12/08/1987 | US4711320 Wheel flange and rail lubricator apparatus |
| 11/04/1987 | CN87103062A Oil injector for wheel rim of locomotive |
| 02/04/1986 | CA1200211A1 Lubricant supply apparatus |
| 12/03/1985 | US4556127 Railway track lubricator |
| 06/04/1985 | US4520901 Method and apparatus for dispensing a working substance such as a lubricant |
| 12/25/1984 | US4489809 Railroad track deflection activated grease pump |
| 01/17/1984 | US4425986 Apparatus for lubrication of rails |
| 08/30/1983 | CA1152903A1 Hydraulic fluid-operated railway track lubricating apparatus |
| 07/26/1983 | CA1150644A1 Rail lubricator |
| 07/19/1983 | US4393957 Method of eliminating truck hunting in railway trucks |
| 07/19/1983 | CA1150161A2 Rail lubricant assembly |
| 08/31/1982 | US4346785 Rail lubricator |
| 06/15/1982 | US4334596 Hydraulic fluid-operated railway track lubricating apparatus |
| 04/28/1982 | EP0050600A1 Apparatus for lubrication of rails |
| 10/06/1981 | CA1110183A1 Method and apparatus for lubricating a railway track |
| 05/06/1981 | EP0027983A1 Rail with drilled holes for the supply of lubricants |
| 01/20/1981 | US4245719 Railroad lubricators |
| 07/29/1980 | US4214647 Automatic rail greasing apparatus |
| 04/29/1980 | CA1076490A1 Railroad lubricators |
| 07/17/1979 | CA1058529A2 Flanged wheel lubricating apparatus |
| 06/14/1979 | WO1979000307A1 Installation for portional lubrication of railway rails and the like |
| 05/08/1979 | CA1054075A1 Flanged wheel lubricating apparatus |
| 09/19/1978 | US4115282 Biodegradable grease composition |
| 03/16/1976 | US3944025 Flanged wheel lubricating apparatus |