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

Icon_funbox Did You Know...

...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.

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 104/254 - Bumpers


Subclass of Class 104 - Railways
Definition: Stop-bumpers for cars on surface tracks.
No. of patents: 15
Last issue date: 05/09/2006


NumberTitleIssue Date
7040238Overhead material handling system and track block
The present invention is directed to a material handling system (100) and method (200) for isolating a carrier mechanism (110) from the system. The system (100) comprises a track (103) having a channel (105), a turntable (
05/09/2006
7037028Security barrier
A security barrier includes a horizontal composite beam extending across a roadway is mounted between vertical posts at either end of the beam. Hydraulic cylinders fastened at each beam end and to the vertical posts cause the beam to be raised and lowered, as needed...
05/02/2006
6484643Fixed bumping post
A railroad bumping post with coupling mechanisms which form a box about each rail and permit wedging of the rail within the box to secure the bumping post to the rails....
11/26/2002
6393999Impact protection device for rail vehicles
The invention relates to an impact protection device for rail vehicles, comprising one or more energy absorbing elements (25) mounted on the main frame of the rail vehicle and having a box-like structure. The invention is characterized in that from the bo...
05/28/2002
6216601Apparatus for limiting a travel path of a running gear, in particular of a hoist
Apparatus for limiting a travel path of running gears, in particular hoists, traveling along a running rail of a type having at least one flange and a web, includes a pair of side elements which are securable to opposite sides of the flange and provided w...
04/17/2001
5904099Cushioned braking system for a monorail trolley
A cushioned braking system for cushioning the impact of a moving vehicle for amusement for children. The braking system comprises a double ended air cylinder having a first cylinder end and a second cylinder end. A first head member and a second head memb...
05/18/1999
5142992Crane securement latch
A latch for a crane travelable along a pair of generally parallel rails and having an overhead frame and a plurality of wheels engaging both of the rails for supporting the crane during its travel on the rails. The latch comprises a latch arm mounted on t...
09/01/1992
4966080Free transfer machine with independent motorized carriages
The present invention relates to a free transfer machine equipped with independent motorized carriages. Each carriage comprises a variable speed motor, a rechargeable battery connected to contact blocks, and an individual travelling control system compris...
10/30/1990
4846073Selective delivery arrangement for self propelled pallet vehicles
Self propelled pallet vehicles (12a) are guided along a track network (10) by downwardly projecting guide pins (350, 352) carried by each pallet vehicle (12) which engage slots (354, 358) in the track network and steer the pallet vehicle (12) along the tr...
07/11/1989
4717306Hand-operated pallet changer
A hand-operated work pallet changer for changing work pallets to be fed onto a pallet mounting portion of a machine tool, comprises a turntable (58) rotatably supported on a base unit and having at least two supporting portions (62, 63) for supporting the...
01/05/1988
4512444Elevator buffer
A plate is attached to a rail which moves vertically in a housing. The housing includes a brake which rubs on one side of the rail; on the other side, there is a roller. A leaf spring is positioned between the housing and the roller. When the rail moves v...
04/23/1985
4352484Shear action and compression energy absorber
An energy absorbing apparatus is provided to dissipate the energy of the impact force of a vehicle. A plurality of energy absorbing sheets are arranged in a stacked relation to resist the impact force and to thereby dissipate the energy of the force. Each...
10/05/1982
4216724Stop device for stopping a wheeled vehicle
A device for stopping a wheeled vehicle which runs on a guide rail, comprises a scotch block connected to the rail, against which the front wheel of the vehicle can strike. The scotch block in this position fits a part of the outer circumference of the wh...
08/12/1980
4177735Car impact cushioning and coupler centering arrangement for railroad track bumping posts
A car impact shock absorbing and coupler centering device for use in connection with railroad track bumping posts, which device comprises a block shaped body formed of resiliently compressible material that is of parallelepiped configuration which is adap...
12/11/1979
4168664Braking buffer device for buffer stop assemblies
A braking device for buffer stop assemblies comprises a buffer rail which is displaceably guided on a buffer stop construction, there being provided at least one friction element and bolts for clamping the friction element in braking frictional engagement...
09/25/1979
 
Sign InRegister
Username  
Password   
forgot password?