Bizarre Patents
A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7393170 | Screw with guide wings A screw is provided that includes a head from which a shank extends. The shank has an end section at a distal end that includes a drilling portion. A conically-shaped tip potion is disposed at the distal end of the drilling portion and at least one guiding thread is... | 07/01/2008 |
| 7290972 | Screw anchor for friable material A screw anchor includes a roughly cylindrical body (1) with a drilling portion (3) provided, at its free end, with drilling teeth (14-16), at the other end of the body, a bearing flange (5) and an external screw thread (7). ... | 11/06/2007 |
| 7140825 | Self tapping bolt A self tapping bolt which fastens a mounting member and a receiving member while the bolt cuts internal threads on an inner surface of a tap drill hole prepared in the receiving member. The bolt includes at least one groove formed near an end of a threaded portion o... | 11/28/2006 |
| 7090452 | Tapping screw A tapping screw includes a head, a shank and a cutting member, Said the shank has male threads, and the cutting member extends down from the shank and has a plurality of cutting grooves lengthwise formed and/or a plurality of wings also lengthwise formed; an annular... | 08/15/2006 |
| 7070376 | Self-drilling, self-anchoring fastener for concrete A fastener adapted for anchoring into a masonry structure, such as a concrete block, employs an epoxy resin system so that the fastener is both mechanically engaged and bonded to the structure. In one preferred configuration, the bead is composed of a hardener, a re... | 07/04/2006 |
| 7040850 | Fastener for use with frangible material A metal fastener for frangible material has a threaded shank, a head proximate one end of the shank and a tip at the opposite end. The fastener has a coarse pitch and relatively large ratio of major to minor diameters suited for securing the fastener into frangible ... | 05/09/2006 |
| 6669396 | Connecting element for connecting at least two wooden construction parts and a joint plate In a joint between two wooden structural members (2 and 3) there is inserted a joint plate (4), whose foot part (5) is joined abuttingly to the wooden structural member (2) by screws (7). The joint plate (4) is pushed into a slot (8) of the wooden structu... | 12/30/2003 |
| 6308483 | Roofing fastener assembly The present invention is a roofing fastener assembly. The assembly includes a fastener, a barbed washer, and a screw. The screw projects through the fastener and exits the free end of the fastener. Upon installation of the screw and fastener, the barbs of... | 10/30/2001 |
| 6164887 | Screw for joining thin workpieces A screw comprises a shank (2) and a head provided with a tool drive (6). The shank is provided with a thread (4), and at its free end has a boring part (5). The head (3), measured in axial direction of the screw (1), has a height (LK), which is smaller th... | 12/26/2000 |
| 6109851 | Screws having selected heat treatment and hardening A carbon steel screw has one or more portions which have been selectively hardened by selective heat treatment and quenching. In one embodiment, an upper portion of the screw head is selectively hardened to prevent or reduce damage when torque is applied ... | 08/29/2000 |
| 5944295 | Combination wall anchor fastener and fixture An outwardly threaded, hollow cylindrical wall anchor with a flange at its proximal end and a cutter at its distal end and a workpiece having an aperture through which the anchor is threaded while the anchor is inserted in a wall or the like.... | 08/31/1999 |
| 5882161 | Self-drilling and thread-forming screw having a flow-forming section A self-drilling and thread-forming screw comprises a threaded shank, a drilling section arranged in front of the shank and having a uniform diameter, and a thread-free flow-forming section widening conically between the drilling section and the shank. The... | 03/16/1999 |
| 5662673 | Surgical trocar and method for placing a trocar sleeve in a body wall A safety incising instrument for helically incising a pathway through a body wall at a controlled rate without exerting longitudinal forces on the instrument. The instrument incorporates a helix assembly with a helically-protruding edge made of two cooper... | 09/02/1997 |
| 5046905 | Winged drill screw A self-drilling and thread forming fastener for fasting a first softer workpiece, such as wood, to a second harder workpiece, such as metal, is described. The fastener features wings of improved configuration including positive angle of attrack, positive ... | 09/10/1991 |
| 4978350 | Transcutaneous pin for fixation of a bone part or fragment A transcutaneous fixation pin includes a threaded portion with flutes evenly spaced over the circumference of the pin at the anterior end of the threaded portion so as to perform a tapping operation when the end of the threaded portion penetrates a bone f... | 12/18/1990 |
| 4793756 | Tapping screw A tapping screw includes a screw head, a self-tapping thread portion and a drilling point. The drilling point has a pair of approximately axially extending flutes which are located diametrically opposite each other relative to the shank axis and include c... | 12/27/1988 |
| 4787792 | Drill screw A drilling and thread forming fastener is provided having a pilot end with a cutting tip and a pair of flutes formed thereon. The flutes define the length of the pilot end, which is tapered in one direction only over the greater portion of its extent.... | 11/29/1988 |
| 4697969 | Wood screw An improved wood screw which is self drilling. The wood screw has a first spiral flute that extends essentially the full length of the screw. The screw also has a second spiral flute which begins at the point of the screw and which terminates a short dist... | 10/06/1987 |
| 4583898 | Drill screw and cutters for making same A self-drilling and self-tapping screw with a compound flute configuration having a straight portion including at least part of the cutting edge and a curved portion defining the drag surface. Generally convex point configurations having uniformly radiuse... | 04/22/1986 |
| 4407620 | Drill screw A drill screw comprises an elongated threaded stem having a driving head at one end and a drill bit at the opposite end, the drill bit having a pair of axially extending flutes located oppositely with respect to the axis of the stem, each of the flutes ha... | 10/04/1983 |
| 4395173 | Drill screw with protective burrs A drill screw having protective burrs on the cutting edges. These burrs preserve the sharpness of the cutting edges against heavy plating buildup which can have detrimental effects on performance. Further, whereas conventional burrs on the drag surfaces c... | 07/26/1983 |
| 4114507 | Drill screw A drill and thread forming threaded fastener having a roll threaded shank constructed at one end for selective engagement with a driving tool, a forged drill point at the other end of the shank comprising a generally cylindrical section adjacent to said t... | 09/19/1978 |
| 4034641 | Self-drilling and tapping masonry anchor A self-drilling and tapping anchor for use in masonry structures which includes an upper, tapping thread portion and a lower, stabilizing and dust receiving shank portion intermediate the tapping thread and a drill tip. The lower shank has a cross-section... | 07/12/1977 |
| 3937120 | Drill screw A thread forming screw is disclosed having a pilot-drilling tip in which two longitudinal flutes are provided with generally flat and substantially coplanar radial walls defining side cutting edges. Forwardly inclined end portions of said walls terminate ... | 02/10/1976 |
| 3933075 | Self-drilling fastener and method of making same A self-drilling fastener includes a shank having a drill tip integrally formed on one end thereof and a head on the other end. The drill tip is defined by two concave grooves formed one on each side of the shank and intersecting with two planar heels form... | 01/20/1976 |
