U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."

Newsletter  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.

 

Class 173/92 - With means to grip and release tool in timed relation to impact


Subclass of Class 173 - Tool driving or impacting
Definition: Apparatus including a means to mechanically clutch and release
No. of patents: 9
Last issue date: 08/23/2005


NumberTitleIssue Date
6932164Double-headed tent stake driver and puller
A double-headed tent stake driver and puller is provided for inserting and removing tent stakes, nails and the like. The double-headed tent stake driver and puller includes a slide hammer and a coupler mounted on the distal end of the slide hammer shaft. The coupler...
08/23/2005
6910539Tool for driving pins
A tool is provided for driving a landscape pin. The tool has a frame, a base, a hammer, and driving device. The frame is sized to house the landscape pin. The base is attached to the frame and has a slot formed therein. The slot is disposed within the frame and size...
06/28/2005
5765651Cable-tool casing hammer
A novel improvement in a tubular ram device for bi-directional driving of pipe casing, vertically or horizontally, wherein the driving hammer imparts the force to the pipe casing through a bowls-anvil and removable collet, thus allowing driving of section...
06/16/1998
5226487Pneumopercussive machine
A self-propelled, pneumopercussive, cyclic action, ground penetrating machine (200) has decreased energy consumption and increased average working velocity compared to conventional machines. This is obtained in part by a valve-operated air-distribution me...
07/13/1993
5205363Porting system for pneumatic impact hammer
A pneumatic downhole impact drill having a porting system for automatically supplying pneumatic pressure fluid from a fluid delivery tube received within a coaxial bore in the impact piston to the opposite ends of the piston operating cylinder as the pist...
04/27/1993
5031706Pneumopercussive soil penetrating machine
A self-propelled, pneumopercussive, cyclic action, ground penetrating machine (200) has decreased energy consumption and increased average working velocity compared to conventional machines. This is obtained in part by a valve-operated air-distribution me...
07/16/1991
4759412Rock breaking device
A rock breaking device adapted to be coupled to the lifting arms of a tractor or similar vehicle is disclosed, the device having an upstanding guide tube with a hammer, chisel, and anvil disposed therein. The hammer can be raised within the guide tube by ...
07/26/1988
4516662Rod-clamping means of a percussive air tool for driving into the ground and removing therefrom rod-like pieces
A rod-clamping device comprises an impact load transmission assembly which includes a housing having a through axial cavity and a system of jamming elements, a rocoil force take up assembly which includes a housing having a through axial cavity, a collar ...
05/14/1985
4045969Submergible pile driving method and apparatus for continuous operation
A submergible pile driving apparatus is suspended from a string of rigid tubes 12 to minimize twisting during operation, and the tubes also carry conduits 18, 19 for transmitting hydraulic, pneumatic and electrical power to the apparatus. The upper connec...
09/06/1977
 
Sign InRegister
Username  
Password   
forgot password?