Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7828119 | Grease gun applicator system A grease gun applicator system for making it easier to use a battery powered grease gun by freeing up one hand while greasing. The grease gun applicator system includes a powered grease gun, a dispensing hose extending from the powered grease gun, a dispensing nozzl... | 11/09/2010 |
| 7377406 | Two stage grease gun A portable grease gun with a dual pressure output capability which can be selectively changed by the user with little effort. The larger diameter plunger is slidable within a plunger retainer. The larger diameter plunger has a bore through them in which a smaller di... | 05/27/2008 |
| 7337927 | Two stage grease gun A portable grease gun with a dual pressure output capability which can be selectively changed by the user with little effort. A larger diameter plunger is longitudinally coupled to an extension. The larger diameter plunger and its extension are variable in length by... | 03/04/2008 |
| 7267198 | Portable electric grease gun This invention discloses a portable electrical grease gun which relates to electric tool field. The portable electrical grease gun according to the present invention, in which conventional slide block assembly driving structure is replaced by a crank link mechanism.... | 09/11/2007 |
| 7178700 | Grease gun plunger A grease gun plunger for a grease gun having an oil injection channel includes a motor driving unit, a plunger unit, and a yoke. The plunger unit includes a bracket having a bracket cavity and an elongated slot longitudinally formed on a rear wall of the bracket to ... | 02/20/2007 |
| 7032713 | Battery-operated grease gun with an electronic pressure regulator for controlling pressure of the grease A battery operated grease gun has a motor that drives a planetary gear assembly that is coupled to a pump assembly that drives a plunger reciprocally in an grease passage to discharge grease through a discharge spout. The pressure in the grease exerts a reaction for... | 04/25/2006 |
| 7004357 | Grease gun An apparatus converts rotary motion of a motor drive shaft into oscillatory motion of a work piece, for example, in a power tool. The apparatus comprises a planetary gear assembly connected to the motor for rotating an output gear. The output gear meshes with a driv... | 02/28/2006 |
| 6997286 | Method in and device for the manual lubrication of a plurality of lubrication points A method and a device for the manual lubrication of a plurality of lubrication points with a quantity of lubricant individually predetermined for each lubrication point. The lubrication points are provided with individual identification elements. Information on the ... | 02/14/2006 |
| 6883687 | Continuously shooting pneumatic grease gun structure Continuously shooting pneumatic grease gun structure including an air chamber housing defining an elongated air chamber. A push hole extends from the air chamber through one end of the housing to an outer side. A piston is reciprocally axially movably disposed in th... | 04/26/2005 |
| 6695590 | Lubricant pump having piston with radial through opening A lubricant pump having a housing equipped with outlets and a lubricant chamber, and having a piston axially displaceable in an axial cylinder bore in the housing by means of an electrical drive arrangement. The piston is at a first end and has an axial o... | 02/24/2004 |
| 6681490 | Axle hub re-packing apparatus A method and apparatus for packing wheel bearings with grease. A frame is provided for supporting an axle assembly comprising an axle shaft with a wheel mounted on a wheel bearing at each end. A horizontally mounted ram and cylinder is mounted adjacent ea... | 01/27/2004 |
| 6675992 | Grease gun for a motor drive A grease gun for lubricating machines, includes a housing having an inlet opening for receiving grease therethrough into the housing and an extrusion opening through which the grease is pushed out to a machine to be lubricated; a drive shaft rotatably mou... | 01/13/2004 |
| 6494347 | Grease gun having automatic continuous feeding device The present invention relates to a grease gun having an automatic continuous feeding device, including a gun body, a piston chamber, a piston, a spring, a barrel chamber, a plunger, a container, a switch valve, and a trigger. Thus, the piston may be moved... | 12/17/2002 |
| 6473954 | Mounting tool for hydromechanical chuck A mounting tool for a hydromechanical chuck or mandrel of the type which is clamp connected using a pressure medium in order to clamp connecting a shaft or a shaft tool or a working piece, and in which said shaft or working piece is dismantled from the ch... | 11/05/2002 |
| 6467579 | Press for compressing lubricating grease and the cartridges used therefor A press for extruding lubricating grease has a press head with a high pressure reciprocating pump, a high-pressure outlet opening with a check valve, a low-pressure intake opening for feeding the mass to be extruded to the reciprocating pump, and a connec... | 10/22/2002 |
| 6408985 | Motor driven lubricator A lubricating apparatus comprising a chamber to receive lubricant, an outlet for lubricant, a movable member to drive lubricant from the chamber through the outlet, and a control circuit for periodically activating the motor to dispense lubricant accordin... | 06/25/2002 |
| 6378658 | Continuous lubricating system A system continuously lubricates critical areas, such as bushings and seals, in a cam brake shaft. A fresh source of lubrication is provided at a generally constant pressure. This is accomplished using a centrally located spring and an adjacent pair of ax... | 04/30/2002 |
| 6339961 | Ultrasonic detecting lubrication apparatus with acoustically isolated transducer An apparatus for detecting ultrasonic energy generated by a mechanical device and for applying lubricant to the device is presented. The apparatus includes a lubrication tool, such as a grease gun, which has a lubrication delivery element for delivering l... | 01/22/2002 |
| 6321875 | Wheel bearing lubricator sleeve A wheel bearing lubrication sleeve, including a sleeve body and a handle attached thereto. The sleeve body further comprises a shoulder, a sealing ring, a guide shaft, and an angular grease passage with an entrance at the shoulder and an exit at the seali... | 11/27/2001 |
| 6279683 | Slidable handle for grease gun hose The present invention relates to a handle to aid in the connection of a grease gun coupler to a grease fitting. The handle generally includes a hollow body forming a longitudinally extending bore and an outer surface, wherein a grease gun hose passes thro... | 08/28/2001 |
| 6276492 | Push rod activated grease nozzle The present invention provides an assembly for dispensing a lubricant. The assembly comprises a housing with a cavity and a nozzle member connected to the housing. The housing further includes a lubricant passage connectable to a source of pressurized lub... | 08/21/2001 |
| 6155380 | Grease filling device for electric motor Grease fed from a grease tank 10 to a metering force feeder 22 is fed into an injection cylinder 30 after the weight of the grease is precisely measured, and the total amount of the grease in the injection cylinder 30 is injected from the nozzle 34. The n... | 12/05/2000 |
| 6145625 | Grease lubricator, particularly for construction machine A lubricator for delivering grease lubricant to lubricating locations of a machine is coupled to a grease container and has a work chamber in which a delivery piston reciprocates. To ensure that a compressible medium, such as air which has been drawn into... | 11/14/2000 |
| 6122966 | Ultrasonic leak detecting lubrication apparatus and method of use An apparatus for detecting ultrasonic energy generated by a mechanical device and for applying lubricant to the device is presented. The apparatus includes a lubrication tool, such as a grease gun, which has a lubrication delivery element for delivering l... | 09/26/2000 |
| 6035969 | Grease gun extension coupling device A coupling device is provided in which a substantially cylindrical grease delivery tube is nested within a substantially cylindrical engagement tube. The engagement tube has an aperture in the sidewall near the forward end of the engagement tube, for rece... | 03/14/2000 |
| 6012551 | Apparatus for automatic lubricant delivery An automatic lubricant-dispensing device with a piston (3) disposed in a cylinder (4) and an electric motor drive unit (1,2) connected thereto has a circuit closer (21) to protect the device against moisture and/or explosion.... | 01/11/2000 |
| 5918702 | High efficiency grease gun with sealed grease barrel grease-self-absorption A grease gun device includes a cock body having a piston cylinder and a slot joint. The piston cylinder also includes a seal washer opening and an outlet opening spatially disposed from the seal washer opening. A piston is reciprocatingly engaged in the p... | 07/06/1999 |
| 5839335 | Saw blade lubricating apparatus An apparatus for continuously lubricating operating circular and band saw blades with solid or semisolid lubricant. The lubricant contacts both sides of the blade by use of opposing lubricant tube ends and further said apparatus has a single loading cylin... | 11/24/1998 |
| 5826753 | Grease gun locking mechanism In a grease gun having a handle that is manually manipulated from a position extending along the side of the grease gun body to a position oriented at an angle relative to the body to charge the pump of the grease gun with lubricant or some other liquid c... | 10/27/1998 |
| 5730250 | Gear type grease pump A gear type grease pump includes a motor fixed on the top surface of a base plate, a gear type pump fixed on the bottom surface of the base plate, the pump having a pair of gears engaged with each other and rotationally driven by the motor for rotating, a... | 03/24/1998 |
| 5609274 | Grease dispensing device A grease dispensing device includes a gun body, a push rod member, a driving unit, a linkage unit, and a connecting unit. The gun body has a barrel for receiving grease, and a dispensing tube member with an end portion connected to the barrel. The push ro... | 03/11/1997 |
| 5538407 | Proportioner and fluid proportioning system Fluid proportions system for proportioning a fluid intermittently at various places. This fluid comes from a storage point and is added by an intermittently operating pump to a proportioner, which feeds a fixed volume of fluid to an outlet more or less in... | 07/23/1996 |
| 5429209 | Grease fitting adapter A grease fitting adapter for lubricating a gearbox having a grease fitting aperture in a gas operated lawn trimmer is provided, which consists of a grease source. A structure is for conveying grease from the grease source through the grease fitting apertu... | 07/04/1995 |
| 5404967 | Extruding device A grease gun used to provide grease to a fitting. A first and second piston are reciprocated with respective passageways by an electric motor and act to press grease through the passageways into the fitting. The electric motor rotates a cam and the cam, i... | 04/11/1995 |
| 5350040 | Vibration monitoring lubrication device A device for monitoring vibration of a bearing to assess whether other service is required. The device is adaptable for use with conventional grease guns and can be used simultaneously with lubrication of a bearing. The device includes an electric circuit... | 09/27/1994 |
| 5343982 | Grease pump This invention relates to a grease pump and in particular to one including a body portion having a main tube and a cover threadedly engaged with an end of the main tube, an adjusting device mounted with the main tube and having a throttle valve, a steel b... | 09/06/1994 |
| 5277339 | Dual mode pistol-grip grease gun A dual mode pistol grip grease gun that operates in either the volume mode or the pressure mode. The grease gun comprises a cylinder head, which has a handle fixed to it. Attached to the handle via a shiftable link is a lever, which has a U-shaped slot di... | 01/11/1994 |
| 5203839 | Apparatus for dispensing adhesive materials Portable apparatus for dispensing adhesive materials from cartridge type containers using axially directed plungers which are driven by a manually operated hydraulic pump supplying pressurized fluid to a hydraulic cylinder. The output of the hydraulic cyl... | 04/20/1993 |
| 5199614 | Grease gun auto-pull follower apparatus An auto-pull follower is provided for use in a grease gun of the type having a grease reservoir with a piston mounted for reciprocating movement in the reservoir. The reciprocating piston is provided with a novel auto-pull mechanism comprising a spring bi... | 04/06/1993 |
| 5109955 | Apparatus for greasing a wheel bearing hub An attachment for use with a grease gun receives grease under pressure therefrom in a reservoir, and at least three, outwardly projecting, circumferentially spaced nozzles are carried by the attachment uniformly dispensing grease into and supporting a hub... | 05/05/1992 |
