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

Icon_funbox Quotables

"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."

Dr. Alfred Velpeau, French surgeon ; 1839

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 411/419 - Shank bifurcated by slot extending entirely therethrough


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Subject matter wherein the groove passes transversely through
No. of patents: 18
Last issue date: 03/24/2009


NumberTitleIssue Date
7507063Snap ring with recessed interior contour
A snap ring for applications requiring cleanliness has a novel recessed interior contour that reduces debris generation during installation of the snap ring. The snap ring is suitable for applications where a reduction in debris generation is desirable, such as to r...
03/24/2009
7168486Apparatus comprising expandable bistable tubulars and methods for their use in wellbores
A technique for connecting expandable tubulars. The technique comprises an expandable connector system that facilitates the connection of tubular components, such as tubulars used in wellbore environments. ...
01/30/2007
7014387Shaft drive coupling
A single piece coupling device for connecting a load component to a rotatable shaft. The device comprises a sleeve having a bore for containing a rotatable shaft, an externally threaded portion and a tapered engagement face on the outer surface of the sleeve. Radial...
03/21/2006
6581896Baluster clamp
The apparatus is a clamp to hold flagpoles, plant support rods, and other items on rod-like structures, vertical posts (balusters) of stair or porch railings, and fences. The preferred embodiment is a large plastic split bolt with a knob-like head, struct...
06/24/2003
6517543Bone connector system with anti-rotational feature
A bone connector system includes first and second connector members, at least one and preferably both, of which carries an external bone screw thread to permit securance within a bone. One of the connector members defines a boss having an outer end with a...
02/11/2003
6354779Self-drilling anchor bolt
An anchor bolt is provided which includes a head, a drill portion, and an intermediate shank portion. The intermediate shank portion has a longitudinal cavity formed therein for receiving a mounting set screw. An external thread is formed on the shank por...
03/12/2002
6280133Screw including a moldable mass to secure the screw against unintended loosening
A screw with a threaded shaft which has a slot running lengthwise dividing the threaded shaft into two shaft halves. A deformable mass is provided in the slot and fills the slot. This mass prevents the screw threaded into a threaded hole or application-re...
08/28/2001
6220805Slotted screw and method, and apparatus for forming a slot in a semi-product of a screw prior to thread formation
The slotted screw is made with an apparatus for forming a slot in a semi-product of a screw prior to thread formation and includes a punch and a die mechanism. The die mechanism includes a tubular member, and an elongated die member formed integrally with...
04/24/2001
6139236Board anchor
An anchor that screws directly into a board without requiring a tap drill hole. A male screw is provided around the shaft part of the anchor with a drill part at one end and a flange part at the other end; at the end where the flange part is provided, a t...
10/31/2000
5980149Sampling arm coupler
A sampling arm coupler device comprises a coupler comprising a rectangular tructure or bar, having a cylindrically hollow bore therethrough. The bar has internal threading along the hollowv bore, and internally threaded holes through opposite sides of the ...
11/09/1999
5755543Machine screw
An improved machine screw for engaging a correspondingly threaded aperture, comprising a threaded shank having a proximal portion and a distal portion. A head adapted to be rotated may be formed on a shank proximal end opposite the shank distal portion, s...
05/26/1998
5692864Self-threading anchor with spreadable leg portions joined by a frangible drill end portion
The present invention discloses a self-tapping anchor and a method of installing the anchor into a wall. The anchor includes a flange portion, a drill end portion, and an intermediate shank portion. The intermediate shank portion has a central bore therei...
12/02/1997
5628601Oil pan bolt with retaining means
An oil pan bolt with a standard bolt head and a sealing flange that fits against the oil pan. Extending from the head of the bolt is a threaded portion that is inserted into the threads of the oil pan drain hole. An extension piece extends from the distal...
05/13/1997
5372532Swivel head cap connector
A swivel head cap assembly can be threadedly attached to an empty plastic pop bottle to create a float or buoy. The assembly includes a cap that is attachable to the bottle, the cap including an annular collar spaced from the cap by a pair of integrally m...
12/13/1994
5292217Quick fastener
Disclosed is a quick fastening quick releasing nut-and-bolt assembly in which the bolt has finger elements disposed along the bolt's longitudinal axis. The finger elements have sets of accurate thread segments matable with complimentary sets of radially i...
03/08/1994
5228818Fastener system for male and female threaded members
A fastener system is providing having a male threaded member and a female threaded member with arrangements for achieving a locking connection between the parts to prevent relative rotation of the parts due to vibration. In an embodiment of the invention,...
07/20/1993
5169270Compressible screw-type locking mechanism
The present invention relates to a compressible screw-type locking mechanism including an oversized locking screw and a tool for compressing and rotatively driving the oversized locking screw through a threaded bore. Formed about the top of the locking sc...
12/08/1992
4339218Self-locking fastener
A fastener for use in soft materials, such as wood, dry wall, and the like, is provided with a shank having a conical void and longitudinal slots in the leading end thereof, forming flexible fingers which bottom in a hole formed in the material to be fast...
07/13/1982
 
Sign InRegister
Username  
Password   
forgot password?