Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7412863 | Work positioning device Regarding predetermined positioning criteria (M1, M2), ((G1, G2), (N1, or N2), (K1, K2)), there is provided image processing means (40B) for obtaining by image processing,... | 08/19/2008 |
| 7401490 | Raised-center axle and process for forming A cold-formed, raised-center axle for a heavy-duty vehicle includes a central tube having a pair of ends, a pair of spindles attached to the central tube ends, and a wall thickness of from about 0.500 to about 0.625 inches. A hump is formed in the center portion of ... | 07/22/2008 |
| 7325428 | Location and identification of a tool in a tool receiving part The invention relates to a combination of at least one tool and at least one tool receiving part having an elongated body comprising location means for at least in longitudinal direction locating the at least one tool in the elongated body. The combination delivers ... | 02/05/2008 |
| 7325435 | Method of manufacturing, apparatus and resulting irregular shaped cross section tubes A method and apparatus for making a tube having an inverted cross section and the resulting tube made thereby. ... | 02/05/2008 |
| 7310987 | Bend-straightening machine with vertically movable table A bend-straightening machine with a vertically movable table for straightening long workpieces is provided. The bend-straightening machine of the present disclosure includes straightening supports for supporting a workpiece mounted on a movable table which moves in ... | 12/25/2007 |
| 7210321 | Method and apparatus for measuring centerline runout and out of roundness of a shaft The centreline runout (a) and out of roundness (b) of a shaft (100) is measured by measuring the distance between the central longitudinal axis (102) of the shaft (100) and each of a plurality of angularly spaced measurement points (103) ... | 05/01/2007 |
| 7162903 | Shaft truing system An apparatus for processing a drive shaft (11) for a vehicle, the drive shaft (11) having a longitudinal axis and first and second ends. There is provided a drive arrangement for coupling to the first end of the drive shaft and applying a rotatory forc... | 01/16/2007 |
| 7065994 | Magnetic marker for manufacturing processes and identification of finished workpieces A permanent invisible magnetic marking and positioning system of unfinished steel rods, spring steel bars, workpieces, and the like. A midpoint or center of the rod, bar or workpiece is automatically located and a high-energy pulse is applied for an embedded magneti... | 06/27/2006 |
| 7047789 | Pipe bending apparatus An improved pipe bending apparatus comprising a plurality of belts supporting the minor radius of the bend. The belts cannot support stresses sufficient to allow concentrated stress to cause the pipe walls to collapse. The belts are affixed to a framework that force... | 05/23/2006 |
| 7004005 | Method and apparatus for producing pipe from metal plate A bending press for bending metal plates for the production of large diameter pipe has an articulation for the upper die member which reduces bending moments as applied to the bending sword or ram. The articulation can be between the upper die and the foot of the be... | 02/28/2006 |
| 7000447 | Tube bending machine A machine for bending thin wall electrical conduit having first and second spaced apart forming shoes, each having partial arcuate forming surfaces and a movable arcuate shaped third forming shoe mounted on the tabletop between the first and second forming shoes con... | 02/21/2006 |
| 6959572 | Fixture for holding metals parts for bending or twist correction A fixture for supporting a workpiece such as a cast turbine blade allows bending and/or twist correction of the workpiece with the movable ram of a press. The fixture includes a base and a pair of workpiece supports mounted at spaced locations on the base. A bearing... | 11/01/2005 |
| 6948277 | Methods of making support structures for trellis systems Methods for making trellis support structures for use in supporting vine borne crops are disclosed. The support structure includes a metallic support member that is bent into a modified U-shape and attached to a metallic cross arm using a process that produces consi... | 09/27/2005 |
| 6865921 | Material bender A material bender for bending a stock material into a desired shape. The material bender has a base plate on which is mounted a die holder that holds a die shaped to provide the desired bend shape, a ram guide configured to provide a ram path for guiding a bending r... | 03/15/2005 |
| 6823707 | Mobile flange press and method A mobile flange press adapted to be mounted on a flange of a workpiece I-beam and moved thereon including at least one clamp that contacts an underside of the flange of the workpiece I-beam, at least one hydraulic cylinder adapted to apply vertical downward pressure... | 11/30/2004 |
| 6807839 | Cold folding method for a hollow tube of magnesium A method cold folds a hollow tube of magnesium material. The method includes providing an inner rib at opposite sides of a hollow square tube made of magnesium material, accommodating the square tube by having opposed ends of the square tube received in an upper por... | 10/26/2004 |
| 6644087 | Rod bender for bending surgical rods A rod bender includes a ram shaft, having a distal end with an arcuate rod contact surface, that is movable along a shaft path that passes between two rollers, each having a curved roller surface. Each of the rollers is positionable, in an analog manner, ... | 11/11/2003 |
| 6526793 | Magnetic marking and positioning system for unfinished metal bars A permanent invisible magnetic marking and positioning system of cylindrical metal steel rods. To accurately locate the physical midpoint of the rod-to-be-cut, a novel head centering and positioning mechanism automatically sets the midpoint distance for e... | 03/04/2003 |
| 6523388 | Vertical compression bending machine A vertical compression bending machine that uses linear bearings to guide the ram and cushions assemblies. The inventive machine also employs an adjustment mechanism to align the wing dies relative to one another.... | 02/25/2003 |
| 6418772 | Centering device and method for U-bolt bending machine A straight rod is automatically positioned at the center of a mandrel of a U-bolt bending machine for subsequent bending into a U-bolt by the bending machine. The rod is positioned between spaced centering plates of a centering device mounted to the machi... | 07/16/2002 |
| 6370932 | Folding apparatus for folding plates A folding apparatus (10) includes a pair of dies (20) defining a recess (20M) therebetween, a cushion pad (30) vertically movable in the recess, a pair of support blocks (40), a pair of pivoting blocks (50) rotatable about the dies, and a vertically movab... | 04/16/2002 |
| 6318424 | Multi-purpose hydraulic press, metal bending, and log splitting apparatus A multi-purpose hydraulic press, metal bending, and log splitting apparatus is disclosed. An hydraulic ram, having a piston cylinder for extending and retracting a piston rod driven by an hydraulic power means, is rigidly affixed to an elongated I-beam fr... | 11/20/2001 |
| 6185476 | Apparatus and method for managing and distributing design and manufacturing information throughout a sheet metal production facility An apparatus and method is provided for managing and distributing design and manufacturing information throughout a factory in order to facilitate the production of components, such as bent sheet metal components. In accordance with an aspect of the prese... | 02/06/2001 |
| 6176115 | Fractured seal ring The present invention provides a seal ring for placement in the space between a radial groove of a cylindrical member and a housing forming a bore in which the cylindrical member is movably positioned, which is free of scoring and has a fracture line thro... | 01/23/2001 |
| 6128942 | Bending machine A bending machine for bending and straightening tubing and plate metal includes a base, a bed mounted to the base, a sliding panel mounted to the bed, and a bending apparatus mounted to the sliding panel. The bending apparatus further includes a bending a... | 10/10/2000 |
| 5956991 | Forming device for shaped decoration panels A forming device to shape decoration panels having relieved contours features a design that includes an upper and a lower laminated spring, a flexible die within a frame formed by a spiral strip spring, and a plurality of movable rollers. The purpose of t... | 09/28/1999 |
| 5953951 | Method and apparatus for manufacturing bent products The invention relates to apparatus and methods for manufacturing a bent product by press bending a malleable material. The bent product is bent along the lengthwise axis and has a bottom wall and at least one sidewall in cross section. The apparatus prefe... | 09/21/1999 |
| 5901601 | Method and apparatus for bending malleable plates In a method and apparatus for press bending a metal plate, a punch is inserted into a recess of a die to bend a plate. The punch has a first edge formed away from a die and a second edge formed near the die. A corner of the recess of the die opposed to th... | 05/11/1999 |
| 5884519 | Automatic hydraulic pin up system for a pipe bending apparatus An automatic hydraulic system 10 for the actuation of the bending beds 101, 102 hinge plate 103 and pin up plate 104 of a pipe bending apparatus. The hydraulic system 10 includes a hydraulic control circuit unit 14 that controls the operation of a pin up ... | 03/23/1999 |
| 5865056 | Bending method and apparatus for effecting corrective displacement of a workpiece A method and an apparatus for executing a bending process on a workpiece plate is provided wherein a rear edge of the workpiece plate is place in contact with stop members of a back gauge unit. Simultaneous with input of target value of bending dimensions... | 02/02/1999 |
| 5839315 | Bend-straightening machine The invention relates to a bend-straightening machine for long workpieces (7), said machine having workpiece holding fixtures (5) arranged on a machine table (3) to grip the ends of the workpiece (7) in a rotatable manner. The machine has at least two str... | 11/24/1998 |
| 5836196 | Device for forming roofing tiles A portable machine for on the job forming of pre-countered metal roofing tile wherein the pre-contour may be selectively flattened for accurate cutting or bent to accommodate ridges or valleys.... | 11/17/1998 |
| 5812406 | Method and apparatus for recording operating status of an NC processing machine A method and apparatus for recording an operating status of an NC processing machine is provided. Measuring and recording operations can be performed with trial processing and actual processing distinguishing from each other. In order to record the operat... | 09/22/1998 |
| 5761950 | Tube bender A tube bender includes a stepped handle having a second end portion with a level higher than that of a first end portion. A passage is defined in the second end portion of the handle for receiving a pushing rod. An L-shaped supporting base is fixedly moun... | 06/09/1998 |
| 5752406 | Flexible coining die A flexible coining die for producing elongated bearing pads of a predetermined radius for use in nuclear reactors. The die is provided with a longitudinal groove having predetermined shape extending across the die. The die is supported by a block which wi... | 05/19/1998 |
| 5661994 | Tube shaping apparatus A tube shaping apparatus includes a movable frame having an upper portion mounted upon stanchions, an upper and lower tube engaging member mounted upon the frame for holding a tube therebetween, a tube engagement hydraulic cylinder for urging the upper tu... | 09/02/1997 |
| 5615572 | Hydraulic tube bender A hydraulic tube bender comprises a hydraulic cylinder adapted to cause a mandrel to reciprocate along a longitudinal axis in a first plane in which two forming dies are stationed on either side of the axis. A pneumatic cylinder coupled to the axles of th... | 04/01/1997 |
| 5603236 | Sheet material bending angle detector, and operation method of press machine using the detector A device for measuring a bending angle of a bent sheet material including a bending angle detector including first and second links arranged symmetrically relative to each other and pivotally connected with each other at one end thereof, a support mechani... | 02/18/1997 |
| 5600993 | Flexible shoe for a bending machine A flexible shoe for a bending machine which includes a pair of flexible resilient spring-like shafts. A flexible web extends between and is secured to the pair of shafts.... | 02/11/1997 |
| 5557964 | Double plane bend former A bending apparatus (10) for use in bending moldings (300 and 301) having a decorative outer surface (308) is described. The bending apparatus includes an upper bending member (12) and a lower bending member (52) which are moved together to form intricate... | 09/24/1996 |