Patents Represented by Attorney Edward T. Okubo

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  • Evaporative humidifier
    Patent number: 4225542
    Abstract: A sterilizable evaporative humidifier for respiratory usage having a disposable absorbent evaporative element is disclosed. The humidifier provides humidification, low pressure drop and a very short warm-up period. Electronic controls are provided to ensure safe automatic operation.
    Type: Grant
    Filed: December 12, 1978
    Date of Patent: September 30, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Thomas H. Wall, Kevin T. Johnson
  • Tibial prosthesis having a U-shaped intramedullary stem
    Patent number: 4217666
    Abstract: A tibial prosthesis which interacts with a femoral prosthesis to provide a knee joint replacement is disclosed. The prosthesis comprises a tibial plateau platform provided with an intramedullary stem having a generally U-shaped cross section allowing for retention of the cruciate ligaments of the knee joint while still achieving adequate anchorage of the device to the proximal end of the tibia.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: August 19, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Robert G. Averill
  • Wear resistant interlocking tile
    Patent number: 4205500
    Abstract: Interlocking wear-resistant tile are provided with rotatable tongue and groove mating edges. In preferred embodiments two adjacent edges of each tile are tongues and two other adjacent edges grooves.
    Type: Grant
    Filed: November 19, 1976
    Date of Patent: June 3, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: William G. Hensley, Paul E. Snyder
  • Surgical drill chuck
    Patent number: 4199160
    Abstract: A quick release drill chuck for surgical and dental instruments, particularly high speed drills powered by rotary air motors, is disclosed. The chuck engages the shafts of drills or burs and is actuated without the use of additional tools while providing a self-locking feature to insure against inadvertent loosening of the chuck.
    Type: Grant
    Filed: May 17, 1978
    Date of Patent: April 22, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: John H. Bent
  • Respirator
    Patent number: 4155358
    Abstract: A disposable valveless chemical cartridge respirator for filtration of vinyl chloride monomer having an end of service life indicator is disclosed.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: May 22, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jerome W. McAllister, James A. Ord, Jr., Leon W. Anders, Gunter A. Kohler
  • High strength ceramic-polymer composites
    Patent number: 4146525
    Abstract: A composite material having solid ingredients of finely divided ceramic powders and about 5 to 25% by weight (10 to 42 by volume) of finely divided powdered polymer such as an epoxy resin. Shaped articles can be formed using standard ceramic formulation practices while providing the advantage of very low temperature firing to fuse the articles into high strength solids.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: March 27, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Norman H. Stradley
  • Connector
    Patent number: 4144648
    Abstract: A connector for the discrete connection of close-spaced contact pads on a leadless semiconductor package to either a printed circuit or to thick film traces is disclosed. The connector utilizes a conductive elastomer medium to insure electrical conductivity and/or electrical impedance matching.
    Type: Grant
    Filed: January 17, 1978
    Date of Patent: March 20, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Steven L. Grovender
  • Screw holding and driving device
    Patent number: 4140161
    Abstract: The present disclosure relates to a device designed for use in surgical procedures requiring the driving of screws into bone. The device provides positive locking screw holding engagement yet permits angular movement of the screw of up to 10.degree. from the axial direction.
    Type: Grant
    Filed: June 15, 1977
    Date of Patent: February 20, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Anthony Russo, deceased, by Diane Bos, administrator, by Robin P. Russo, administrator
  • Femoral prosthesis trial fitting device
    Patent number: 4135517
    Abstract: A trial fitting device for an implantable femoral prosthesis comprising a trial head, a bearing insert removably fitting within the trial head and a femoral prosthesis stem or a trial handle onto which said bearing insert is removably rotatably mounted is disclosed. Differently sized trial heads can be quickly substituted utilizing the trial fitting device of the present invention.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: January 23, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Richard C. Reale
  • Sorbent material and a respirator containing the sorbent material
    Patent number: 4133309
    Abstract: A complex granular material comprising manganese oxide-activated alumina is disclosed. The resulting material can be used in respirators to reduce the sulfur dioxide and HCl intake of the ambient atmosphere.
    Type: Grant
    Filed: May 13, 1977
    Date of Patent: January 9, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gunter A. Kohler, Leon W. Anders
  • Muffler
    Patent number: 4109749
    Abstract: A noise attenuator or muffler for a compressed air tube type heater is disclosed. The muffler exhaust air through exit apertures located about its periphery and due to its unique design substantially avoids the formation of ice in the muffler.
    Type: Grant
    Filed: November 9, 1976
    Date of Patent: August 29, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Lawrence A. Sweet
  • Rotary surgical driver
    Patent number: 4109735
    Abstract: A driver including a hand piece adapted to be held in the hand of a user, an air motor mounted within the hand piece, and a barrel coupled transversely to the hand piece. A medical instrument is rotatably mounted in the barrel and releasably retained therein by a releasable detent located to the rear of the barrel. Air flow to the air motor is controlled by a valve having a trigger-like operating member. The direction of rotation of the air motor is controlled by a manually operable reversing valve.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: August 29, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: John H. Bent
  • Process for providing insulating covers
    Patent number: 4106905
    Abstract: A process for providing a thermal insulating cover of discrete particles for a container of fluids involves forming a plurality of hollow interior, discrete, ceramic particles, firing the particles at a temperature of at least 350.degree. C and then covering the heated liquid with at least a 1/8 inch thick layer of the fired particles. A potentially improved ceramic thermal insulating particle is also described and contains a hollow interior with a plurality of partitions.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: August 15, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Joseph J. Schmitt, Richard R. Dahlen, David A. Lindblad
  • Barrier tape construction
    Patent number: 4102721
    Abstract: A pressure-sensitive barrier tape construction particularly suited as a covering for the vents or ports in a cavity to be filled with a thermally insulating foam, the barrier tape permitting the free escape of gases while preventing escape of the fluid foam therethrough.
    Type: Grant
    Filed: October 13, 1976
    Date of Patent: July 25, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Patrick H. Carey, Jr.
  • Retaining clip
    Patent number: 4076204
    Abstract: A hinged retaining clip for retaining two mating pieces together is disclosed. The clip comprises two functional ends joined together along the approximate midpoint of the clip by an integral hinge. One end of the clip is fixedly attached to one of the mating pieces and the other end serves to retain the second mating piece to the first. Positive retention of the two mating parts is effected and maintained by cooperating latching means on the header body and on the clip.
    Type: Grant
    Filed: November 16, 1976
    Date of Patent: February 28, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: James C. Kalka
  • Stethoscope
    Patent number: 4071694
    Abstract: A combination acoustic and electronic stethoscope which can be operated with one hand is disclosed. The stethoscope has a combination slide valve-electrical switch located in the chestpiece for conversion from an acoustic to an electronic mode of operation. The microphone for the electronic mode is located in the chestpiece and the speaker is located in the Y connector of the earpieces. A volume control and frequency selector control are operative in the electronic mode.
    Type: Grant
    Filed: August 31, 1976
    Date of Patent: January 31, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: G. William Pfeiffer
  • Garment shield
    Patent number: 4059114
    Abstract: A disposable shield for garment protection and everyday feminine hygiene including odor control comprising a very thin, lightweight, highly absorbent structure is disclosed. The shield is soft, rattle-free, supple and easily comformable to the body and the garment and can be securely positioned to the crotch section of a panty or other undergarment.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: November 22, 1977
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Shirley T. Richards
  • Combined bag and beach pillow
    Patent number: D251935
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: May 22, 1979
    Inventor: Stella O. Ikezaki