Patents Represented by Law Firm Samuelson & Jacob
  • On-line rheological measurements
    Patent number: 4817416
    Abstract: On-line rheological measurements are made utilizing a rheometer of the type in which a first metering pump delivers diverted melt from a process main stream to a capillary passage and a second metering pump returns the diverted melt from the capillary passage to the process main stream and the viscosity of the diverted melt is measured by controlling the rate of flow of the melt to maintain constant the pressure drop between spaced apart locations along the capillary passage and measuring the temperature of the melt in the capillary passage. The measurements may be made while controlling the speed of the second metering pump independent of the speed of the first metering pump to maintain the pressure at the exit of the capillary passage essentially constant.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: April 4, 1989
    Assignee: Rheometrics, Inc.
    Inventors: John F. Blanch, Ronald F. Garritano, William D. Richards, Joseph C. Golba, Jr.
  • Heat loss reduction in rotating drum dryers
    Patent number: 4815969
    Abstract: A drum dryer for use in the manufacture of bituminous concrete asphalt is provided with a jacket including a layer of ceramic fiber insulation bonded to an outer sheath of aluminum, the jacket being wrapped around the outer peripheral surface of the wall of the drum and secured in place with bands of stainless steel strapping so as to reduce to a minimum heat loss due to dissipation of heat from the outer peripheral surface of the drum wall, thereby enabling conservation of energy, while affording protection to personnel and equipment in the vicinity of the dryer drum against excessive heat.
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: March 28, 1989
    Inventor: Russell W. Anderson
  • Illuminating tongue depressor
    Patent number: 4807599
    Abstract: An illuminating tongue depressor includes a handle having a battery-operated light source and a depressor blade selectively coupled with or uncoupled from the handle for discard and replacement, the blade being constructed of a light-conducting synthetic resin material of relatively thin cross-section and being arched laterally to resist bending along the length thereof, the blade including a light-receiving surface at the proximal end thereof for juxtaposition with the light source and a light-directing configuration at the distal end thereof for directing light conducted from the light source and projected from the distal end to a defined area to be inspected during use of the tongue depressor in the examination of a patient.
    Type: Grant
    Filed: May 8, 1987
    Date of Patent: February 28, 1989
    Assignee: Med-Struments, Inc.
    Inventors: Herbert L. Robinson, Allen S. Epstein
  • Prosthetic implant device
    Patent number: 4798610
    Abstract: A prosthetic implant device for use in replacing the ball end of a biological joint, the replacement including a spherical head for insertion into a natural socket, an insert in the head, a ball-shaped member captured in the insert and having a neck and a stem for mounting the ball-shaped member on the end of the biological member on which the ball is being replaced, and a radially-expansible ring for capturing the ball-shaped member within the insert the ring having a downwardly and inwardly sloping outer wall and seated in a recess in the insert, the recess having upper and lower end walls for defining upper and lower limits of axial movement of the ring within the recess to permit selective removal of the ball-shaped member from the insert and to prevent inadvertent disengagement of the ball-shaped member from the insert.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: January 17, 1989
    Assignee: Osteonics Corp.
    Inventors: Robert G. Averill, Alex Khowaylo
  • Orienter for trigger pump cap assemblies
    Patent number: 4779714
    Abstract: An orienter accepts trigger pump cap assemblies of the type in which a trigger is spaced from a cap along the pump housing of the cap assembly, the cap assemblies being presented serially in either one of first and second front-to-back orientations, and discharges the cap assemblies in only the second one of the orientations, the orienter including a pusher member which engages the pump housing of each cap assembly, as the cap assemblies travel downstream through the orienter, and pushes laterally against each pump housing to rotate the pump housing about the cap of those cap assemblies in the first orientation to reverse the front-to-back orientation of those cap assemblies so that all of the cap assemblies emerge oriented in the second orientation.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: October 25, 1988
    Assignee: PMC Industries
    Inventor: John J. Madden
  • Airflow measurement utilizing vortex shedding
    Patent number: 4770035
    Abstract: Method and apparatus for measuring airflow in a duct utilizing the technique of vortex shedding include inducing the shedding of vortices at a frequency within the range of sound, sensing the sounds generated by the shedding of vortices to determine the frequency of vortex shedding, and converting the frequency of vortex shedding into information indicative of airflow measurements.
    Type: Grant
    Filed: January 15, 1987
    Date of Patent: September 13, 1988
    Assignee: Tek-Air Systems, Inc.
    Inventors: Kenneth W. Kolkebeck, Thomas A. Mans
  • Femoral prosthesis with selectively removable collar
    Patent number: 4770660
    Abstract: A stem-type femoral prosthesis has a calcar collar selectively installed on the stem of the prosthesis or removed from the stem interoperatively by sliding the collar in transverse directions between the medial and lateral sides of the stem, at the proximal end of the stem, to facilitate seating of the stem without the collar during implant and to enable subsequent removal of stem by first releasing the collar from the stem to gain access to the affixed surfaces of the stem beneath the collar.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: September 13, 1988
    Assignee: Osteonics Corp.
    Inventor: Robert G. Averill
  • Surgical instrument handle coupling
    Patent number: 4765328
    Abstract: A coupling arrangement for selectively coupling and uncoupling the handle and the blade of a surgical instrument, such as a broach, includes a key projecting axially from the handle and receivable within a first recess portion in the blade to engage locking pins upon transverse movement of the key into locking engagement with the locking pins, and a plunger selectively movable into a further recess portion contiguous with the key for precluding relative movement of the handle and the blade in the transverse direction so as to maintain the key in locking engagement, the plunger being selectively retractable from the further recess portion to permit relative transverse movement of the handle and the blade, and consequent movement of the key out of locking engagement with the locking pins, to enable uncoupling of the handle from the blade.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: August 23, 1988
    Assignee: Osteonics Corp.
    Inventors: Philip J. Keller, Robert C. Cohen
  • Package with tray for securing and presenting a sterile prosthetic implant element
    Patent number: 4750619
    Abstract: A package for a sterile prosthetic implant element includes a tray received within a receptacle and having hinged leaves such that upon placement of the tray within the receptacle and folding the leaves of the tray, the prosthetic implant element is confined within a defined envelope wherein the element is protected against damage during handling resulting from shipping and storage and is sealed against contamination, and upon withdrawal from the receptacle, the tray is opened to present the sterile element directly to the surgeon for implant, without the necessity for additional handling.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: June 14, 1988
    Assignee: Osteonics Corp.
    Inventors: Herbert Cohen, Harvey L. Goodman
  • Tubular lighting system
    Patent number: 4751627
    Abstract: A lighting system includes a plurality of elongate tubular members joined together in a selected array, each tubular member carrying lamp assemblies therein and aimed laterally through apertures in the wall of the tubular member, the lamp assemblies being captured within the tubular members by coupling means enabling rotation of the lamp assemblies for aiming purposes and selective insertion and withdrawal of the lamp assemblies through corresponding apertures for removal and replacement of expended lamps.
    Type: Grant
    Filed: May 1, 1987
    Date of Patent: June 14, 1988
    Inventor: Scott D. Usher
  • Jam compensation in delivering dispenser cap assemblies
    Patent number: 4746002
    Abstract: An apparatus for orienting and delivering dispenser cap assemblies includes a transfer arrangement for accepting oriented cap assemblies from an orienter and stabilizing the cap assemblies into a stabilized stream of oriented cap assemblies for further operations, the transfer arrangement having a guide track with a gate section at a jam-prone portion of the guide track and a diverter section upstream of the gate section such that upon the occurence of a jam in the jam-prone portion, the gate section is actuated to open the jam-prone portion and clear the jam, and the diverter section is actuated to divert further cap assemblies away from the jam-prone portion until the jam is cleared.
    Type: Grant
    Filed: April 29, 1987
    Date of Patent: May 24, 1988
    Assignee: PMC Industries
    Inventor: Peter Wysocki
  • Book rack of selective capacity
    Patent number: 4742922
    Abstract: A book rack of selective capacity includes end members and a base extending longitudinally between the end members, the base having an undulate configuration including undular support members and an undular basal member, the undulations being in a flexible conformable material such that the length of the base may be expanded and contracted selectively into conformance with a particular longitudinal length by bending of the undulations, thereby providing a longitudinal spacing between the end members corresponding to the desired capacity of the book rack.
    Type: Grant
    Filed: April 29, 1987
    Date of Patent: May 10, 1988
    Inventor: Russell G. Demarest, Jr.
  • Storage box with tray
    Patent number: 4739921
    Abstract: A storage box has a container body erected from a unitary, flat blank to provide side walls, end walls, a closed bottom, an open top and cleats extending along the side walls for supporting a removable tray within the container body, between the closed bottom and the open top, the tray being movable along the cleats, relative to the end walls, for selective access to the contents of the box beneath the tray, and a cover for closing the open top of the container body.
    Type: Grant
    Filed: April 13, 1987
    Date of Patent: April 26, 1988
    Inventor: Clifford Taub
  • Clip for stacked sheets
    Patent number: 4738007
    Abstract: A clip for securing together a stack of sheets, the stack having a height, or thickness, which can vary over an extended range, the clip having opposed clamping legs spaced apart and extending parallel to one another, a web interconnecting the clamping legs at corresponding ends of the clamping legs, and resiliently deflectable undulations in the web allowing relative displacement of the clamping legs away from one another to receive the stack between the clamping legs and biasing the clamping legs toward one another with a biasing force sufficient to secure the stack, while the clamping legs remain parallel to one another.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: April 19, 1988
    Inventor: Russell G. Demarest, Jr.
  • Marine drive unit anti-theft device
    Patent number: 4736603
    Abstract: An anti-theft device for a marine drive unit includes a cupped member for location around a threaded fastener which secures the drive unit in place so as to enable a blocking device to be secured in position to block access to the threaded fastener and thereby preclude unauthorized removal of the threaded fastener and the drive unit, the cupped member having outer surfaces lying in mutually perpendicular planes forming a corner complementary to a corner of the drive unit to preclude rotation of the cupped member when seated in the corner of the drive unit in order further to prevent unauthorized rotation of the threaded fastener.
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: April 12, 1988
    Inventor: Donald Brushaber
  • Adjustable wrench
    Patent number: 4735121
    Abstract: An adjustable wrench in which a slidable jaw is biased away from a fixed jaw, toward a fully-open position, by the force of a biasing spring, and a pawl and ratchet mechanism locks the slidable jaw, against the biasing force of the biasing spring, in any selected one of a plurality of positions relative to the fixed jaw and enables selective release of the slidable jaw for movement to the fully-open position in response to the biasing force of the biasing spring.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: April 5, 1988
    Inventor: Leonard Coulson
  • Pocket-sized portable book page holder for smaller books
    Patent number: 4735438
    Abstract: A pocket-sized, portable book page holder for use in connection with holding open a smaller book having relatively narrow pages joined together along a central binding without obscuring the text appearing on the selected spread-apart pages, the book page holder including a pair of retainers biased into close juxtaposition with a spine and movable away from the spine and from one another by the manipulation of actuating handles associated with the retainers so as to receive a portion of the book between the retainers for gripping by the retainers along marginal portions of the selected pages and to hold the book open to the selected pages, the book page holder being in a compact, folded configuration for ease of carrying when not in use.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: April 5, 1988
    Inventor: Russell G. Demarest, Jr.
  • Fixture for holding a bending test specimen
    Patent number: 4730498
    Abstract: A test fixture for use in measuring the forces required to bend a test specimen throughout a range of temperatures includes clamps for gripping the ends of the test specimen while bending forces are applied intermediate the ends of the specimen, the clamps being carried by carriages movable in directions aligned with the test specimen and biased away from one another by constant force springs so that movement of the ends of the test specimen is permitted in response to temperature changes in the test specimen, against the constant bias of the constant force springs, thereby maintaining the test specimen in constant tension during the measurement of bending forces despite the changes in temperature.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: March 15, 1988
    Assignee: Rheometrics, Inc.
    Inventor: John F. Blanch
  • Ultrasonic cleaning in liquid purification systems
    Patent number: 4728368
    Abstract: Cleaning apparatus and method for use in cleaning ultraviolet radiation inhibiting deposits from the active surfaces of ultraviolet radiation emitting devices utilized in liquid purification systems by inducing ultrasonic vibrations in the emitting devices with ultrasonic transducers coupled to portions of the emitting devices extending outside the conduit through which the liquid to be purified is passed, the coupling being accomplished through a coupling liquid contained within a chamber of relatively small volume into which the extending portions of the emitting devices project to be immersed in the coupling liquid.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: March 1, 1988
    Inventor: Edward A. Pedziwiatr
  • Acetabular shell
    Patent number: D296714
    Type: Grant
    Filed: January 23, 1986
    Date of Patent: July 12, 1988
    Assignee: Osteonics Corp.
    Inventors: Robert G. Averill, Alex Khowaylo