Patents Represented by Law Firm J & A
  • Multi-functional exercising apparatus
    Patent number: 5102125
    Abstract: A multi-functional apparatus for the development or rehabilitation of the entire human musculature is packaged in a compact and lightweight housing. It combines three sets of exercising arms which can be biased against either pushing or pulling movements. The first set has parallel arms working in a front/back horizontal direction. The second set offers incline, back-to-back arms operating in sideways, horizontal direction. The third set features a pair of parallel arms moving in a vertical direction. Each arm can be operated with a hand or a foot.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: April 7, 1992
    Inventor: Martin A. Van Der Hoeven
  • Portable lighted drafting table
    Patent number: 5099581
    Abstract: A portable, lighted drafting station comprises a shallow tray the size of a briefcase having a cover made from a sheet of translucent material sliding into slots in the rim of the tray. A T-square and two triangles are held by a set of brackets against the undersurface of the cover. A fluorescent light inside the tray resting over a sheet of reflective material leaves enough storage to accommodate pencils and other drafting implements. A simple, spring-biased bolt locks the cover into the tray by engaging a notch into the stored T-square.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: March 31, 1992
    Inventor: Oswald C. Svehaug
  • Pulse tuned optimized positive displacement porting
    Patent number: 5096398
    Abstract: This invention relates to a porting system for a hydraulic device comprising a housing having a chamber communicating with an intake port and an exhaust port; a pair of rotary gears disposed internally of said chamber adjacent said ports and defining expanding and contracting pockets as said gears rotate over said intake and exhaust ports; said ports having a cross-sectional area in the direction perpendicular to the rotation which varies in relation to the rate of change of the expanding and contracting pockets.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: March 17, 1992
    Assignee: Stackpole Limited
    Inventor: Eric Cozens
  • Flea collector
    Patent number: 5095648
    Abstract: A yellow-colored plate coated with a tacky substance is combined with an animal odor-emanating component and passed over an area infested by fleas or other insect pests. The emanations excite and attract the insects which jump toward the brightly colored plate where they become entrapped into the tacky substance. The apparatus may be used to either determine the nature and extent of the infestation prior to treatment, or to actually clear areas of infestation.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: March 17, 1992
    Inventor: F. Edward Keenan
  • Spade drill for hard material
    Patent number: 5094572
    Abstract: A flat drill for boring holes through hard metals and high heat resistance materials such as hard metal and fiberglass. The flute or fluid portion forms a spade with slightly cylindrically concave faces which tend to distally converge. The cutting edges at the base of the drill have a negative rake angle, but a relatively high clearance for this type of drill. The lateral leading edges have a positive rake angle, but are strengthened by cylindrically convex flanks. Nose splits form a small but relatively keen small central burrowing edge which stabilizes the drill.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: March 10, 1992
    Assignee: Thomas Grismer
    Inventors: Herbert W. Alsbury, Robert A. Sheffler
  • Circulation device with resistance heating
    Patent number: 5094593
    Abstract: In a heating and recirculating system for a tank of chemical fluid, the recirculation pump is preceded by a heating element housed in the distal half of a tubular housing mounted coaxially within the pipe feeding the pump. The fluid is uniformly heated as it circulates through the annular channel defined between the pipe and the heating element housing.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: March 10, 1992
    Inventor: Karsten Laing
  • Surgical headrest
    Patent number: 5090073
    Abstract: An apparatus for immobilizing the head of a patient during ocular, facial, or dental surgery comprises a flat cushion headrest bordered by a neck-supporting bulge. Adjustable lateral head-clamping arms incorporate padded headphones. A shroud-supporting frame extends obliquely from each side of the headrest over the patient's chest area, and provides a means for mounting ventilation lines and sensors for patient monitoring.
    Type: Grant
    Filed: August 22, 1991
    Date of Patent: February 25, 1992
    Inventors: Lee T. Nordan, Roger J. Malcolm
  • Dual wall tank
    Patent number: 5090586
    Abstract: A method for making a dual wall tank for storing fluids by producing an inner wall for storing the said fluid, positioning a fabric exteriorally against the inner wall, applying a liquid resin exteriorally to the fabric so as to penetrate partially into the fabric, and curing the liquid resin so as to form simultaneously an outer wall for containing any leakage of the fluid from the inner wall and an interstice consisting of an intermediate layer of fabric permeable to any leakage of the fluid through the first wall; and includes the dual wall container formed thereby.
    Type: Grant
    Filed: December 11, 1990
    Date of Patent: February 25, 1992
    Assignee: Madison Chemical Industries Inc.
    Inventor: A. Ross Mitchell
  • Musculature exercising method
    Patent number: 5085429
    Abstract: Methods for strengthening the musculature of the abdomen, upper legs and back. One method primarily consists of isometric contraction of the abdominal musculature while the operator is seated in a specific position in which the forearms are generally orthogonal to the arms, the arms are generally parallel to the thoracic spine, the legs are extended, the hip is flexed, the thoracic and lumbar spine are slightly flexed. The operator contracts the abdominal musculature while pulling the hands on a tensioned mechanism. Strengthening of the abdominal musculature is achieved by moving the abdomen against a resilient stop. Stationary and portable versions of the necessary apparatus are disclosed.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: February 4, 1992
    Inventor: Martin A. Van Der Hoeven
  • Anti-fouling coating process
    Patent number: 5080926
    Abstract: A mechanical process for preventing the fouling of metalic objects such as ship propellers, hulls and other types of hardware exposed to seawater by application on the exposed surface of a ceramic coating. The coating is applied by thermal spraying. The ceramic coating is formulated to have sufficient hardness to prevent encrustation of barnacles, tube worms and other parasites, but retains enough malleability to prevent brittleness and to provide sufficient resistance to impacts.
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: January 14, 1992
    Inventors: Julian Porter, Larry Suhl
  • Road vehicle cornering assistance mechanism
    Patent number: 5079708
    Abstract: A mechanism for improving the cornering capability of a road vehicle apportions torques applied to wheels differentially between the right and left wheels as a function of the vehicle speed, steering angle and lateral acceleration. Instantaneous differential torques are computed using these and other variable parameters which are continuously monitored, as well as some constant parameters including the characteristics of the vehicle and its tires. The differential torques may be applied by modulating brake force separately for each wheel or through differential clutch arrangements. Applications to rear-driven wheels only, all four wheels, and even single-side wheels are disclosed. The latter is designed to achieve the stagger effect on circular race tracks.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: January 7, 1992
    Inventor: Jack L. Brown
  • Intraocular multifocal lens
    Patent number: 5074877
    Abstract: An intraocular lens, in the form of a disk, intended to replace the crystalline lens of a patient's eye, in particular after a cataract extraction, comprises on its distal side an aspherical sector extending approximately from the midline of the disk over one quarter of the surface thereof. The rest of the distal side is spherical. The radius of curvature of the aspherical sector varies monotonously between the value of the radius of the spherical sectors and a lower value. Such a configuration allows light rays impinging on the intraocular lens to be refracted at different angles and provides both near the distance vision. The discontinuity at transition between the aspherical sector and the spherical sector is blocked out by dark or etched plastic to eliminate glare. The proximal side can either be a convex surface, a concave surface or a plane.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: December 24, 1991
    Inventor: Lee T. Nordan
  • Hot water priming device
    Patent number: 5072717
    Abstract: In a hot water distribution system, a priming device installed just ahead of a tap stores a small amount of water and continuously maintains it to the temperature of the hot water source. When the tap is opened, the water from the priming device is first drawn while the cooled down water which was stationary in the pipe coming from the heating tank refills the priming device. When the pipe is cleared of cold water the priming device is bypassed, and its stored cold water is slowly admixed in the flow of hot water to the tap.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: December 17, 1991
    Inventors: Doerte Laing, Karsten Laing, Ludwig Ludin
  • Bulk carrying bag
    Patent number: 5073035
    Abstract: A large bulk bag has an internal load-distributing and wall-shaping chain network which maintains the general quadrangular shape of the bag so that a maximum number of such bags can be loaded or stored over a given surface. The internal chain network can also be shaken to de-aerate the bulk content of the bag or break any caking of the material to expedite its unloading.
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: December 17, 1991
    Inventor: Kenneth J. Williams
  • Retaining and shock-absorbing packing insert
    Patent number: 5071009
    Abstract: Two or more packing spacers support an object within its shipping container in a floating arrangement that absorbs shocks, and flexion and torsion of the container due to shipping and handling loads. Each spacer is a structure with a frame-window covered with a flexible membrane of high tensile strength. The object is frictionally held between the membranes. The spacers are shaped and dimensioned to match the internal geometry of the container and to determine the space between the membranes occupied by the object. Spacers with large contact areas between their membranes and the object can hold and cushion objects of very high densities.
    Type: Grant
    Filed: September 6, 1990
    Date of Patent: December 10, 1991
    Inventor: Louis H. Ridgeway
  • Lifeguard tower
    Patent number: D321941
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: November 26, 1991
    Inventor: David J. Stollery
  • Portable personal sun shade
    Patent number: D323582
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: February 4, 1992
    Inventor: Yanon Volcani
  • Crutch caddy
    Patent number: D324297
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: March 3, 1992
    Inventor: Roscoe C. Cline, III
  • Keyboard housing
    Patent number: D325199
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: April 7, 1992
    Assignee: AT&T Bell Laboratories
    Inventors: Hanumaiah L. Gowda, John Kowalik, Jr., Henry J. Mack, Jr., David J. Mayer, Stephen G. Miggels
  • Slurry pump
    Patent number: D325387
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: April 14, 1992
    Inventor: Robert E. Rupe