Bizarre Patents
A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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.
| Number | Title | Issue Date |
| 7363719 | Pocket level A pocket level having a detachable line level whose bubble vial doubles as the pocket level's horizontal bubble vial, and an angle finder for enabling the determination of the angle of an inclined surface which includes a bubble vial housed in a wheel rim directly r... | 04/29/2008 |
| 7360317 | Level having an adjustable mechanism for truing to acquire an exact reading A level having an adjustable mechanism for truing to acquire an exact reading which comprises an elongated rigid body being an I-shaped frame having a web with a first flange transversely extending across a first long end of the web and a second flange transversely ... | 04/22/2008 |
| 7281335 | Carpenter's level A level assembly includes a main level with a base wall, end supports at opposite ends of the base wall and at least one intermediate support extending from the base wall at a location between the end supports. Bubble tubes may be mounted in the end supports and/or ... | 10/16/2007 |
| 7278218 | Laser line generating device with swivel base A base for a light generating device or a leveling device, having a first surface that includes a connection structure to receive and mount either a light generating device or a leveling device thereto, and a second surface including a nonmechanical attachment struc... | 10/09/2007 |
| 7057575 | Method of installing a satellite dish and satellite dish mast A method of installing a satellite dish mast, comprises providing a mast member including a generally cylindrical wall and having an aperture therethrough, and providing a level mounted interior of the mast member but visible from outside the mast member through the... | 06/06/2006 |
| 7047654 | Retainer clips for securing a cylindrical level vial Hand tool (1) including a pair of retainer clips (7A,7B) for securing a cylindrical level vial (6) in a suitable recess (3), and method of assembly therefor. ... | 05/23/2006 |
| 5791676 | Trailer hook-up gauge for vertical hitch alignment A hook-up memory gauge (10), is a convenient aid in the vertical hitching alignment of a trailer with a tow vehicle. The hook-up gauge is mounted on the side of the trailer near the support legs or support stand so as to provide a settable reminder of the... | 08/11/1998 |
| 5421094 | Adjustable level An adjustable level having an angled base with legs extending normal to one another from a common edge and with magnets spaced along and extending fully through each leg; an L-shaped bracket having at least one bubble housing fixed to a leg thereof; a pos... | 06/06/1995 |
| 5127167 | Multi-function spirit-level A multi-function spirit-level adapted for use as inclination indicators for different specific slopes comprising a central conventional spirit level bubble tube attached at each distal end to a rectangular member with no support or other structure therebe... | 07/07/1992 |
| 5063679 | Protractor bubble level The present invention relates to an improved leveling device for use with various tools or other objects during a construction or repair process. A bubble level is mounted along the straight edge of a semi-circular protractor. The protractor is movably co... | 11/12/1991 |
| 5001838 | Spirit level The spirit level, for use by carpenters, bricklayers or the like has a body comprising an elongate extrusion with at least one flat supporting edge 3. An outer rotatable member 10 is rotatably mounted in a transverse circular aperture in the elongate extr... | 03/26/1991 |
| 4999921 | Adjustable spirit level An adjustable spirit level having a plurality of spirit levels therein. A first spirit level measures vertical orientation, a second adjustable spirit level is adjustable to a true horizontal position, and a third spirit level is adjustable to any desired... | 03/19/1991 |
| 4964219 | Combination plumb/level instrument for a try square A combination plumb/level device for removable attachment to a try square of magnetizable material to enable the square to be used as a level or a plumb. The device comprises a spirit level, and a holder for the level. The holder has a magnet associated t... | 10/23/1990 |
| 4774767 | Water level A water level or spirit level having at least one water level member whose angular adjustment relative to the contact surface can be changed. The water level member is rotatably mounted on the level body or a structural part fixedly connected to the level... | 10/04/1988 |
| 4604812 | Pitch-angle-checker (P-A-C) A pitch and angle measuring instrument including three basic elements; a base, a main dial and an elongated pointer. The base includes a bottom portion which is designed to rest on a pipe or other item for which the angle or pitch is desired to be measure... | 08/12/1986 |
| 4590682 | Compact level A level containing horizontal, vertical and rotatable bubble capsules is constructed using only two different housing parts. The main housing is comprised of two identical halves secured back to back. A cylindrical chamber which houses the rotatable bubbl... | 05/27/1986 |
| 4335524 | Spirit level A level formed by a frame having opposing longitudinal working surfaces and a transverse opening in the frame supporting a ring assembly for angular rotation in a longitudinal plane of the frame. A spheroid vial containing a bubble indicator is supported ... | 06/22/1982 |
| 4320581 | Leveling A level mechanism, and a method of utilization thereof, are disclosed that provide for completely accurate angular placement of workpieces in operative association with the machine tool in a simple manner, even if the machine tool work surface is not itse... | 03/23/1982 |
| 4112585 | Level indicating instrument A level indicating instrument permitting simultaneous reading in two horizontal and/or vertical planes, one of which planes may be preset to any desired deviation from the horizontal. A pair of straight-edges perpendicular to each other along their long a... | 09/12/1978 |
| 4073062 | Level A level comprises a frame including a working surface, a level vial containing bubble indicating means and having bubble registry means adapted to register a level position when the longitudinal axis of the vial is positioned in a horizontal plane, and se... | 02/14/1978 |
| 3947970 | Roll alignment gauge An alignment gauge for use in determining whether two elongated members, such as cylindrical rolls, are in parallel relationship. The gauge includes a rod or standard, and a pad is connected to a micrometer and is mounted for lateral movement with respect... | 04/06/1976 |
| 3939571 | Method and apparatus for aiming aircraft visual approach slope indicator An aiming bar is inserted through the aiming slit of an aircraft visual approach slope indicator housing and secured at its inner end to a cross bar in front of a horizontal row of landing lights so that the aiming bar assumes the vertical angle of the up... | 02/24/1976 |
