Bizarre Patents
An enclosure for small animals which is wearable on the front or back of an animate being.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7640737 | Screw style hydraulic jack A hydraulic jack system is described, suitable for lifting heavy loads such as automobiles. The jack system is operable by a powered driver fitted with a socket for coupling to a nut rotationally fixed to the jack system, wherein the driver is removable directly aft... | 01/05/2010 |
| 7428812 | Hydraulic tool with wobble plate transmission A hydraulic tool including a motor; a hydraulic pump comprising only one reciprocating piston pump member; and a transmission connecting the motor to the hydraulic pump. The transmission includes a wobble plate and at least one spring. The wobble plate includes a fr... | 09/30/2008 |
| 7421841 | Three-shift lifting mechanism for jack or the like The load dependent, variable displacement, at least three-shift hydraulic mechanism includes a hydraulic device disposed at the front side of a valve block and adapted to move a ram piston oriented such as to raise weight, the hydraulic device defining an oil accumu... | 09/09/2008 |
| 7412868 | Electrohydraulic pressing device and method for operating same An electrohydraulic pressing device is suitable for one-handed operation. The device includes a housing having a working head attached thereto, an electric motor provided within the housing for actuating the working head, the electric motor being rearward of the wor... | 08/19/2008 |
| 7281374 | Hydraulic device for elevating/lowering chair A chair elevating/lowering hydraulic device includes at least a foot pump 3 which absorbs oil by an ascent of an operation lever 1, which discharges oil stored by a stepping-on of the operation lever, and which discharges stored oil by a stepping-on of... | 10/16/2007 |
| 7254982 | Electrohydraulic pressing device and method for operating the same The invention relates to an electrohydraulic pressing device (1) that can be operated using one hand. The device comprises a working head (30), an electric motor (4), a pump (20), a hydraulic reservoir (33), and a gear mechanism ( | 08/14/2007 |
| 7209806 | Self-contained electronic pressure monitoring and shutdown device The invention is a self-contained process shutdown device that detects abnormal pressures and initiates shutdown by removing the pneumatic or hydraulic pressure needed for a given process or flow to continue. The process' pressure is detected by means of a switch-ga... | 04/24/2007 |
| 7204087 | Hydraulic tool A hydraulic tool has a motor, a valve, a hydraulic intensifier, and a supply connector. The hydraulic intensifier is arranged between the valve and the motor. The valve and the motor are arranged behind one another in a longitudinal direction of the tool. The hydrau... | 04/17/2007 |
| 7165439 | Battery powered hydraulic tool A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction ... | 01/23/2007 |
| 7165639 | Integrated hydraulic system for motor vehicles A hydraulic vehicle power take off system is implemented using modular components and utilizing a vehicle controller area network for integration with vehicle systems. The modular components are preferably in turn adapted from standard industry components. ... | 01/23/2007 |
| 7111488 | Battery powered hydraulic tool A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction ... | 09/26/2006 |
| 7107812 | Hydraulic rescue tool A hydraulic rescue tool (20) that utilizes a hydraulic cylinder (22) having a piston rod (24) that is movably disposed within the housing of the cylinder to provide linear driving means for the rescue tool. A cylinder yoke (32) is rotatab... | 09/19/2006 |
| 7100373 | Hydraulic tool A hydraulic tool is provided with a spool valve 24 for changing the flow of a working fluid pressurized by a hydraulic power generating mechanism in a hydraulic circuit. The spool valve 24 is slidable in directions perpendicular to a piston rod 18 | 09/05/2006 |
| 7077917 | High-pressure processing chamber for a semiconductor wafer A processing chamber having an improved sealing means is disclosed. The processing chamber comprises a lower element, an upper element, and a sealing means that tightly holds the lower element to the upper element to define a processing volume that is maintained usi... | 07/18/2006 |
| 7055317 | Hydraulic module The invention relates to a new type of hydraulic module for actuating at least one hydraulic control element with a hydraulic pump in a housing, with an electric motor fastened to a first housing side for driving the pump, with a tank located on a second housing sid... | 06/06/2006 |
| 7040091 | Multilevel speed regulation jack A multilevel speed regulation jack includes an input oil cylinder, an output oil cylinder, and a fluid conduit member between the cylinders. The output oil cylinder includes a cylinder body containing an annular space and a tube piston, which fits in the annular spa... | 05/09/2006 |
| 6993905 | Oil hydraulic cylinder An oil hydraulic cylinder configured to allow an object to be smoothly and continuously lifted without being clatteringly swayed and unnecessarily rotated by the oil hydraulic while supply of the oil hydraulic remains uninterrupted when an adjusting lever is manipul... | 02/07/2006 |
| 6986274 | Hydraulic tool with rapid ram advance A hydraulic tool including a frame having a hydraulic conduit system; a ram movably connected to the frame; and a multi-speed ram advancement system for advancing the ram in at least two different rates of movement on the frame. The multi-speed ram advancement syste... | 01/17/2006 |
| 6974115 | Electro-hydrostatic actuator An electro-hydrostatic actuator having a sealed housing filled with a dielectric fluid. A motor driven pump and electronics for controlling the pump are all immersed in the fluid. The pump is arranged to deliver fluid from the housing to a hydraulic cylinder to cont... | 12/13/2005 |
| 6957533 | Operation device The invention relates to a device for opening of doors. Electromechanical systems contain many expensive components and are thereby expensive to manufacture. Installed electromechanical systems are expensive in operation by virtue of the high and energy-demanding fr... | 10/25/2005 |
| 6957603 | Modulated overpressure valve structure for fluid operated device A pressure releasing valve structure 36″ is provided for a fluid operated device 10. The device has an orifice 42 constructed and arranged to be in fluid communication with a pressure chamber C. The valve structure includes a body 49 ha... | 10/25/2005 |
| 6957560 | Battery powered hydraulic tool A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction ... | 10/25/2005 |
| 6942468 | Portable hydraulic pump unit The invention relates to a portable hydraulic pump unit (1) comprising a housing (2), a pump (5), a drive motor (6) for the pump (5), in particular in the form of an electric drive motor, in addition to a reservoir (13) for ... | 09/13/2005 |
| 6902011 | Variable torque impact wrench Disclosed herein is a fluid control system for varying the power available to a fluid powered tool, a hydraulically driven impact wrench. The system disclosed herein varies power available to the tool by use of a bypass mechanism that is downstream of a directional ... | 06/07/2005 |
| 6868925 | Engine with integral actuator An engine with an integral actuator for a vehicle having an implement needing control. The engine includes a crank shaft, and a pump in a housing and an actuator that extends from the housing. The pump is operably connected to the crank shaft to produce a flow of fl... | 03/22/2005 |
| 6622485 | Manually operated zero-load rapid lifting hydraulic jack A manually operated zero-load rapid lifting hydraulic jack. The jack has a lifting arm and a lever which are connected properly together by contacting one another. A lifting arm is formed with an integral receiver portion, which could be in the form of a ... | 09/23/2003 |
| 6564610 | Hydraulic tool having mechanical actuator with internal bypass valve A hydraulic compression tool having a frame, a hydraulic fluid reservoir on the frame, a ram movably connected to the frame, a conduit system in the frame between the reservoir and the ram, a pump provided in the conduit system, a mechanical actuator prov... | 05/20/2003 |
| 6553761 | Suspension system for motor vehicles A suspension system for motor vehicles includes level regulation for adjusting a predetermined height of the vehicle body. At least one piston-cylinder unit of the suspension system includes a work cylinder, a piston rod and a damping piston having dampin... | 04/29/2003 |
| 6530219 | Jack assembly that may be lifted rapidly The present invention relates a jack assembly that may be lifted rapidly. A secondary shaft is mounted in a lifting column, and has a distal end screwed into an axial hole in the base. The main oil path is provided with a lower ball and an upper ball, and... | 03/11/2003 |
| 6510723 | Pressing tool for pressing coupling elements A pressing tool having an electric motor fed by a battery. The electric motor drives a gear pump with two rotor shafts which are accommodated in a hydraulic block. The rotor shafts are mounted in a gear housing on one side of the hydraulic block and in a ... | 01/28/2003 |
| 6453719 | Hydraulic tool with forward surrounding reservoir A hydraulically actuated tool comprising a frame; a hydraulic fluid pump connected to the frame; a ram movably connected to the frame and adapted to be moved relative to the frame by hydraulic fluid pumped by the pump; and a hydraulic fluid reservoir conn... | 09/24/2002 |
| 6435310 | Hydraulic elevator system A hydraulic elevator system of an inverter control method directly controlling a flow amount of a pressed oil discharged from a hydraulic pump by a speed control of a motor driving the hydraulic pump, which can improve energy efficiency and stability. The... | 08/20/2002 |
| 6282893 | Self-contained actuator A hydraulic cylinder in which the cylinder head contains a motor-driven fluid pump, fluid reservoir, and a main control valve for the cylinder. The cylinder includes a transfer tube that extends through the center of the cylinder's piston and terminates w... | 09/04/2001 |
| 6276135 | Self-contained hydraulic ESD system A hydraulic control circuit for a hydraulic actuator, including a high-low pilot valve having a sensing port for connection to a flow line. A single pressure line connects the high-low pilot to a hydraulic actuator. A second line connects the high-low pil... | 08/21/2001 |
| 6237617 | Isolated proportional valve Herein is provided an improved proportional fluid control valve. The proportional valve includes a fluid valve that controls the flowrate of an output fluid. The fluid valve is coupled to a pressure chamber of the control valve. The position of the fluid ... | 05/29/2001 |
| 6220029 | Operating arrangement An operating arrangement for movable parts on motor vehicles, especially for trunk lids, folding tops and the like, consists of at least one hydraulic cylinder with a piston rod as the driving means which acts on the movable part either directly or indire... | 04/24/2001 |
| 6152715 | Pressure clamped hydraulic pump A pump assembly comprises a hydraulic fluid pump having a housing assembled from a plurality of housing components that are pinned together rather than being clamped together by bolts. The pump is disposed in a cavity in a valve block so that the outlet f... | 11/28/2000 |
| 6094910 | Apparatus and method for raising and lowering a piston in a piston cylinder arrangement in a derrick Disclosed is an apparatus for a derrick, including hydraulic piston/cylinder arrangements for raising and lowering a yoke travelling on guide rails attached to the derrick. A hydraulic system having different modes of operation is provided for the operati... | 08/01/2000 |
| 6035634 | Compact, resistance regulated, multiple output hydraulic tool and seal valve arrangement A hydraulic device includes a housing and a bulkhead disposed in the housing. A pump piston is provided in the housing and has first and second end surfaces with the second end surface of the pump piston and surfaces of the housing and of the bulkhead def... | 03/14/2000 |
| 6029448 | Low noise hydraulic power unit for an auto-hoist lift A hydraulic power unit for an auto-hoist lift having improved noise characteristics and a more compact design. A motor and pump driving the power unit are located inside a hydraulic fluid reservoir to thereby reduce the amount of noise reaching the immedi... | 02/29/2000 |
