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

Icon_funbox Bizarre Patents

Patent No. 6637829

Decorative Jeweled Wheel Cover

An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.

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 238/370 - Plug


Subclass of Class 238 - Railways: surface track
Definition: Plugs into which spikes are adapted to be driven.
No. of patents: 8
Last issue date: 11/21/2006


NumberTitleIssue Date
7138437Polyurethane composition containing a property-enhancing agent
A composition comprising at least a part A and a part B is disclosed. The part A comprises at least one polyol and the part B comprises at least one isocyanate. At least one part further comprises at least one of the following: a strength enhancer having a softening...
11/21/2006
5952072Method for restoring used railroad ties and the restored railroad ties formed thereby
This invention provides a method for restoring at least one means defining a railroad spike hole located in a used railroad tie. In this way, the restored railroad tie can be reused in subsequent rail replacement operations. The restored railroad tie is c...
09/14/1999
5758821Elastic rail fastening system with rail spike
A system for elastically fastening rails mounted on underlying cross ties. The foot of the rail is clamped by elastically fastening metallic rail spikes anchored in the cross tie. The rail spikes have a shaft portion and a head portion eccentrically arran...
06/02/1998
5593089Crosstie plug for a railroad spike
A railroad crosstie plug is positioned within an existing spike hole in a crosstie to restore a predetermined gage between parallel railroad rails. The plug comprises a hollow sleeve having a slot along one side thereof and an interior configuration compl...
01/14/1997
4661532Coal tar containing foaming urethane composition and a method for repairing defects in structural components
Hydrophobic polyurethane compositions can be used to repair or fill-in surface defects in structural components. The hydrophobic composition can be packaged in two parts, a hydrophobic polyol part and a isocyanate part wherein the polyol part comprises a ...
04/28/1987
4295259Method of filling spike holes in railway ties
A method of re-using wooden railroad ties in which the old spike holes are filled with a high density rigid polyurethane foam injected into the holes. The foam serves as a plug which prevents or retards deterioration of the tie at the hole site primarily ...
10/20/1981
4152185Spike hole plugging material
A railroad tie spike hole plugging material and method of using the same. The material includes a substantially uniform mixture of about 25-75% by volume of a granular abrasive material having a grit size in the range of about 20-100 grit and abrasive to ...
05/01/1979
4134546Wood crossties with cellular plastic inserts
A wooden structure incapable of holding a fastening device is restored by boring a hole of a desired size into the structure, cleaning the hole, and introducing a cellular plastic insert of a suitable size, so that the insert can hold a fastening device d...
01/16/1979
 
Sign InRegister
Username  
Password   
forgot password?