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

Icon_funbox Bizarre Patents

Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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 411/67 - Bight type


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Subject matter wherein the retainer means comprises a strap
No. of patents: 14
Last issue date: 12/14/2004


NumberTitleIssue Date
6829871Wedge anchor for concrete
An expansion wedge anchor (80) for insertion in a hole (H) delimited by a wall comprises an expander member (32) and an expansion number (34), the expander member being provided at a leading end of the expander member, the expander member compri...
12/14/2004
5762451Multi-piece, split bail expansion anchor
A mine roof bolt expansion anchor is formed from a plurality of identical shell segments. Each shell segment has a first end, a second end, and an end section at the first end. A first finger extends from the end section to the second end of the shell seg...
06/09/1998
5344257Mine roof expansion anchor and bail element
A bail element (10) having a medial portion (12) with a pair of legs (14, 16) extending integrally therefrom and a mechanical expansion anchor having a pair of shell halves (68, 70) and tapered plug (80) held in assembled relation by the bail. The bail le...
09/06/1994
5219248Mine roof expansion anchor with improved bore hole engagement means and method of installation thereof
A mine roof expansion anchor having a conventional tapered camming plug and radially expansible shell having associated therewith an element which resiliently engages the wall of a bore hole as a roof bolt carrying the anchor is inserted in the hole. The ...
06/15/1993
5028188Expansion bolt
An expandable mine bolt assembly having a shell and wedge unit threaded upon the shank of an elongated bolt. The shell contains at least one or more leaf sections. The arms of a U-shaped metal strap are joined to the shell and the strap is arranged to pas...
07/02/1991
5009549Expansion assembly for mine roof bolts
An improved expansion assembly for a mine roof bolt has a tapered plug, two expansion leaves that bear against the tapered plug, a bail that connects the expansion leaves and extends over the end of the mine roof bolt, and a breakable holding ring to keep...
04/23/1991
4626139Roof bolt anchor
A mine roof bolt expansion anchor utilizes a plurality of transversely bent elongated leaves which are compressed within a bail by the rotation of the roof bolt. The compression results in movement of the leaves toward a flattened position whereby the out...
12/02/1986
4403894Rock bolt expansion anchor having windened expansion range
An expansion anchor including an expansible shell and tapered nut for insertion into a drill hole in a rock formation and adapted for outward expansion of the shell into gripping engagement with the drill hole wall to support a rock bolt and bearing plate...
09/13/1983
4400122Expansion bolt
The invention relates to an expansion bolt of a type having an expansible shell arranged on an elongated stud, with a tapered plug being provided to expand the shell in use. In order to render the bolt more versatile, a spacer is provided between the plug...
08/23/1983
4337012Anchor bolt expansion shell
This invention relates to an anchor bolt expansion unit and the bolt assembly using such a unit. The unit consists of a plurality of leaves connected together by a bail having a flat cap and fingers secured one to each leaf. The flat cap is dimpled to ens...
06/29/1982
4188158Mine roof bolt hole seal
A mine roof bolt hole seal characterized by an arrangement of components which seal the bolt hole from the mine atmosphere at the time the roof bolt is installed and which, thereafter, provides for the removal of moisture and excess oxygen from within the...
02/12/1980
4183699Washer/gasket for mine roof bolt assembly
An improved method and mine roof bolt assembly for sealing a roof bolt hole in a mine to reliably prevent ambient mine air from entering the roof bolt hole. The roof bolt assembly includes a support plate, a roof bolt extending through a hole in the suppo...
01/15/1980
4158983Anchor bolt assembly
An expansion anchor assembly having a segmented expansion shell containing two or more sections that are joined in assembly at the base of the shell. The base sections are interlocked along abutting radially extended side walls. An end cap is passed over ...
06/26/1979
4088054Impact dowel with expanding sleeve and spreading element
An impact dowel for insertion into a prepared bore hole in receiving material consists of an axially extending expansion sleeve and a spreading element insertable into the bore in the sleeve. The expansion sleeve and spreading element each have a first en...
05/09/1978
 
Sign InRegister
Username  
Password   
forgot password?