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| 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 |
| 7360316 | Level The level of the invention consists of a solid, thin central web that is connected to an upper box and a lower box. The central web supports level vials. The upper box and lower box have a hollow generally polygonal shape and define an upper surface and lower surfac... | 04/22/2008 |
| 7350305 | Laser activated audible signal emitting leveler This invention pertains to the leveling device applying the optical interaction between a laser beam and a freely floating air bubble confined in a transparent, liquid-filled vial. When the air bubble is impacted by the laser beam, the curved surface of the air-bubb... | 04/01/2008 |
| 7340841 | Slope level A slope level for measuring the slope of a surface is provided. The slope level includes a body having a front face and a back face and defining a first planar measurement surface. A transparent arced tube is disposed on the body. The arced tube has a first end and ... | 03/11/2008 |
| 7243435 | Level device and method of calibrating a level vial The level device includes a level body having a pair of orthogonal reference surfaces. A vial carrier on the level body holds the level vial such that it can be calibrated with respect to the reference surfaces by rotation about a pair of orthogonal axes, each of th... | 07/17/2007 |
| 7228637 | Impact-absorbing end caps for levels An impact-absorbing end cap for an instrument such as a level is provided that is secured to an end of the level and has an outer portion and an intermediate portion. The intermediate portion is positioned between the outer portion and the body of the level and is s... | 06/12/2007 |
| 7204029 | Level A level having a body with first and second operative walls interconnected by a web. The first wall having a first exterior operative surface and the second wall having a second exterior operative surface. The first surface and the second surface facing in opposite ... | 04/17/2007 |
| 7174647 | Laser line projector with spherically rotatable support and level/plumb indicators for the support A spherically rotatable support for a light image projector has level and/or plumb indicators for leveling or plumbing a central reference frame of its spherical rotation. A projected light image, such as a laser line segment of relatively short length may be succes... | 02/13/2007 |
| 7159328 | Measurement gauge incorporating a level Apparatus 10 discloses a handle 32 for manipulating the device and an extending rule portion 18 having a series of markings or measurements 26 embossed along its edge serving as a base of spacing measurement for a pivotally mounted swing ... | 01/09/2007 |
| 7152335 | Omnidirectional torpedo level having magnetic mounts and adjustable protractor An omnidirectional torpedo level composed of non-ferrous material has a central web and parallel side flanges defining a torpedo level geometry. The central web and side flanges define windows within which are mounted vertical and horizontal tubular spirit level ele... | 12/26/2006 |
| 7150106 | Method of using a level A water or spirit level is composed of an elongated body, preferably of metal, at least one bubble mounted in the elongated body, and end caps, preferably of plastics material, at the end faces of the elongated body, wherein at least one outer surface of the elongat... | 12/19/2006 |
| 7117608 | Spirit level A spirit level comprising a body having a level face for setting a surface, at least one bubble vial mounted in the body, the bubble vial having a longitudinal axis generally perpendicular to the level face, and an optical transfer element fixed to the body which tr... | 10/10/2006 |
| 7117606 | Pocket-sized leveling tool A leveling tool having: a body, including a first face and an opposite second face, the first and second faces defining a thickness between them, the body defining a first side surface, a second side surface opposite said first side surface, a first end surface, and... | 10/10/2006 |
| 7086167 | Overmolded vial for use with a level A vial for use in a level and a method of forming such a vial are disclosed. The vial includes a cylinder having an inner surface defining a cavity, and a material molded around the cylinder. The vial preferably includes at least one marker ring positioned between t... | 08/08/2006 |
| 7073270 | Impact-absorbing end caps for levels An impact-absorbing level is disclosed. The level comprises a body including a level face for measuring a surface, a vial mounted in the body at a predetermined angular relationship to the level face, and a first end cap fixed with respect to the first end, the firs... | 07/11/2006 |
| 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 |
| 7024781 | Vial illumination feature for a tool such as a level A vial illumination feature for a tool, such as a level, is configured so as to emit light toward a vial when the tool is used in a darkened environment. The vial extends across an opening or a space defined by the tool, and one or more vial retainer members engage ... | 04/11/2006 |
| 6957494 | Dark-banded vial for use with level A vial, level including such vial, and method of using such level are disclosed. The vial comprises a body having first and second ends, a midpoint, and interior and exterior surfaces, at least one marker ring connected with respect to the body, a bubble positioned ... | 10/25/2005 |
| 6918187 | Multi plane plumb level A multi plane plumb level includes an elongated rigid frame having an X shaped cross section having four walls that are rigidly joined along an elongated central portion of the X shaped cross section and extend outward from the elongated central portion of the X sha... | 07/19/2005 |
| 6915588 | Spirit level A spirit level has a body member containing a leveling tube, in which the base of the body member has a width greater than the width of the body member in any other plane parallel with the base. Preferably the body member is triangular in cross section and may inclu... | 07/12/2005 |
| 6915586 | Box level A box level including an elongate body, plumb vials, and spaced hand-holds having outer edges together defining first and second parallel application planes beyond first and second face planes of the elongate body, and further including hang openings in the elongate... | 07/12/2005 |
| 6912793 | Vial and method of making same A vial having an outer wall which is straight and cylindrical and a curved inner cavity. The inner cavity is curved in a substantially uniform arc. The apex of the curved cavity is closer to the cylindrical outer wall of the vial than the ends of the inner cavity. T... | 07/05/2005 |
| 6735880 | Vial and method of making same A vial having an outer wall which is straight and cylindrical and a curved inner cavity. The inner cavity is curved in substantially uniform arc. The apex of the curved cavity is closer to the cylindrical outer wall of the vial than the ends of the inner cavity. The... | 05/18/2004 |
| 6640456 | Level with attachments A level having a frame with a reference surface and a level sensor secured to the frame. The level includes one or more attachment devices that are detachably secured to the level. The one or more attachment devices may include a torpedo level, a second l... | 11/04/2003 |
| 6625895 | Servo-controlled automatic level and plumb tool A method and apparatus for leveling at least one output light beam in a construction tool. One embodiment of the apparatus includes a laser optical assembly for producing output light beams that define plumb, level, and right angle beams for use in constr... | 09/30/2003 |
| 6615500 | Door jamb square A door jamb square made of two extensions, a vertical extension and a horizontal extension. Both extensions are provided with bubble spirit levels and are attached forming a right angle, that can be fit into the corner of a door jamb to square that door j... | 09/09/2003 |
| 6477781 | Angle spirit level device There is shown a spirit level device having a basic body element and a bubble element which pivots around an axis in its inclination towards the basic body element. An adjusting bubble element is fixed at the basic body element so that the middle part the... | 11/12/2002 |
| 6442853 | Door jamb square A door jamb square made of two extensions, a vertical extension and a horizontal extension. Both extensions are provided with bubble spirit levels and are attached forming a right angle, that can be fit into the corner of a door jamb to square that door j... | 09/03/2002 |
| 6148530 | Level with snap action vial holder A spirit level having a sub-assembly on the body. The sub-assembly has a vial holder having two spaced pockets. A curved vial having two ends received in the pockets and resilient ribs having a curve matched to the vial and engaging the vial to hold the v... | 11/21/2000 |
| 6070336 | Framing tool A new framing tool for aiding in the construction of a structure. The inventive device includes a member having a substantially straight base side edge, a handle side edge, and a pair of opposite end edges extending between the base side edge and the hand... | 06/06/2000 |
| 6041510 | Extension level, square and length gauge This invention relates to an extendable level which, by means of two slidable extension members on a central body, can more than double its collapsible length. The invention comprises a device which can lock the level in any length from fully collapsed to... | 03/28/2000 |
| 6029360 | Multi-angle pocket level A compact level having two spirit level vials visible through either planar face of a triangular body. The vials and triangular body are configured to produce angles including 0°, 15°, 30°, 45°, and 60° and their 90° increments. Each of the three ed... | 02/29/2000 |
| 5940978 | Builder's level with hand-grip feature The improved builder's level is used by carpenters, masons and the like for determining parallelism or perpendicularity with respect to a horizontal plane. The level has opposed depressed channels extending along its length, thereby permitting the level t... | 08/24/1999 |
| 5839200 | Multi-function horizontal and vertical alignment tool A combination level has a carrier forming two opposite parallel major surfaces. A tube level is mounted on one of the surfaces of the circular level and a circular is mounted on the other, opposite, surface. either one of the major surfaces can be used di... | 11/24/1998 |
| 5836081 | Light beam leveling means and method A light beam leveling device and method utilizable particularly in hemodynamic cardiac monitoring of patients in which a pressure transducer is required to be leveled with the tip of a catheter placed at the heart of a patient. The light beam device, pref... | 11/17/1998 |
| 5749152 | Spirit level vial construction A spirit level vial construction provides various refinements in the structure and method of manufacture of vials used for the containment of fluid and adapted to be installed in spirit levels. The construction is particularly adapted to use with spherica... | 05/12/1998 |
| 5619800 | Parallevel alignment system An alignment apparatus, comprising a set of tripods, having rollers on the base of each tripod, where the tripod replaces the wheel on a vehicle axle hub, and the vehicle is lowered so that the tripods support the weight of the vehicle. The tripods have a... | 04/15/1997 |
| 5406714 | Level vial assembly A level vial assembly for use in a carpenter's or mason's level. The assembly includes a vial mounting subassembly to be mounted in a level body, consisting of at least a vial holding plate and one or more vials which are mountable therein, and one, or pr... | 04/18/1995 |
| 5263584 | Method for protectively encasing a level A case for an elongated tool such as a level or the like includes outer walls which cooperate to define an internal cavity into which the tool is placed. Spaced indentations are provided along the length of the case, with the indentations extending around... | 11/23/1993 |
