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

Icon_funbox Celebrity Inventors

Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".

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 254/112 - Rack and lever


Subclass of Class 254 - Implements or apparatus for applying pushing or pulling force
Definition: Pushing and pulling implement of the step-by-step traveling
No. of patents: 15
Last issue date: 10/02/2007


NumberTitleIssue Date
7275981Symmetrical wall sander
A disc-shaped sanding pad has a round perimeter. Centrally located in the pad is a socket. A ball, coupled to the end of a handle, is inserted into the socket, permitting the sanding pad to both pivot and rotate freely about the handle. A second single axis pivot is...
10/02/2007
7172143Method and plant for separating polymeric materials
A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit...
02/06/2007
7014132Method and plant for separating polymeric materials
A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit...
03/21/2006
6347817Locking device for use in a cargo support to lock a retractable tube
A locking device installed in a cargo support to lock a retractable tube, including a holder frame fastened to the outer tube of the retractable tube, a rack moved in a longitudinal sliding way defined between two parallel lugs of the holder frame, a driv...
02/19/2002
6076996Offshore jackup hull-to-legs load transfer device and elevating and leg guide arrangement
An arrangement of a jackup platform's elevating system, leg guides, hull-to-legs load transfer device, and method of operation of the load transfer device for an offshore jackup platform's hull to be supported by legs which have one or more vertical tooth...
06/20/2000
6030149Self positioning fixation system and method of using the same
The present invention has at least one rack chock which is supported pivotally and tiltably at one end by a pin and cross head assembly located at a position between at least one leg rack and the hull of the platform. The other end of the rack chock is co...
02/29/2000
5915882Jack-up platform locking apparatus and method
A locking mechanism is disclosed for use on the legs of a jack-up offshore platform. Each chord of the legs includes a rack for cooperation with pinions used in raising and lowering the legs. The locking mechanism of the invention includes a rigid frame a...
06/29/1999
5906457Offshore jackup elevating and leg guide arrangement and hull-to-legs load transfer device
An arrangement of a jackup platform's elevating system, leg guides, hull-to-legs load transfer device, and method of operation of the load transfer device for an offshore jackup platform's hull to be supported by legs which have one or more vertical tooth...
05/25/1999
5622452Jack-up rig with improved rack chock assembly
The invention relates to a jack-up rig unit for offshore use which has a floatable hull supportable by one or more legs above a water line, a jack-up unit for elevating the hull and a rack chock assembly for rigidly locking the legs to the hull without in...
04/22/1997
5486069Offshore jack-up rig locking system
A fixation system which can be automatically engaged or disengaged from a remote control room as well as from a local at each fixation unit. The fixation system that uses a toothed chord chock which is vertically movable to match the elevation of the leg ...
01/23/1996
5424553Method for aligning a lenticular material for printing
A method for aligning a lenticular material for the printing of an image onto a printing surface of a lenticular material for the purpose of forming a 3-D image is disclosed comprising the steps of: a) directing a radiation beam to the lenticular material such...
06/13/1995
4944633Boat support means
Boat cradle and storage construction including a plurality of substantially identical support units each availing of a central column comprising a support element and brace parts connected to the column and a base member of chevron shape with an adjustabl...
07/31/1990
4521134Elevating device for an artificial island or work platform
Elevating device for an artificial island or work platform comprising a pontoon 1 or work floor and a number of columns 2 displaceable in vertical direction with respect to the pontoon respectively or work floor by means of the elevating device. At each c...
06/04/1985
4437792Vertically moving platform supported on legs
A mobile platform with relatively vertically movable legs, of the off-shore drilling platform type, has a plurality of pairs of opposed racks on each leg, with a row of pinions supported in a pinion carrier for each rack. A link for each pinion carrier is...
03/20/1984
4386517Pulling tower structure
A pulling tower structure especially adapted for use in automotive frame-straightening equipment is improved by structure providing easy and simple vertical adjustment of a sheave over which a chain or the like is trained for attachment to a vehicle to be...
06/07/1983
 
Sign InRegister
Username  
Password   
forgot password?