1
Zinon C Possis: Heart valve prosthesis and suturing assembly and method of implanting a heart valve prosthesis in a heart. St Jude Medical, L Paul Burd, William A Braddock, Richard O Bartz, December 21, 1976: US03997923 (154 worldwide citation)

A heart valve prosthesis removably mounted on a suturing assembly. The suturing assembly has an annular sleeve carrying a fabric collar. Sutures secure the collar to heart tissue. The heart valve has a base that is removably mounted on the annular sleeve. The suturing assembly is initially secured t ...


2
Allan P Bakke: Convection blood warming system with disposable flattened tube envelope having vent incorporating a hydrophobic filter. L Paul Burd, Richard O Bartz, Robert W Gutenkauf, May 30, 1995: US05420962 (114 worldwide citation)

A system for warming blood or other liquids to body temperature for infusion into a patient. The system includes a blood warmer apparatus having a pair of closely spaced apart heat transfer plates, each of which forms one face of a housing containing flat vapor condensation heating units. A flat dis ...


3
Donald D Maurer: Stimulation device. EMPI, L Paul Burd, Richard O Bartz, Robert W Gutenkauf, July 20, 1982: US04340063 (90 worldwide citation)

A device operable to electrically stimulate living tissue, including body organs, muscles and nerves. The device can be applied to the surface of the body or implanted in the body. The device has an electrical circuit containing a pulse width control for variation of the stimulus intensity, pulse re ...


4
Berglund Richard N, Liu Benjamin Y H: Method and apparatus for generating monodisperse aerosol. RNB Associates, L Paul Burd et al, February 5, 1974: US3790079 (83 worldwide citation)

A vibrating orifice monodisperse aerosol generator usable as a basic aerosol standard having a liquid feed system, a droplet generator, a droplet dispersion system and an aerosol flow system. The liquid feed system is a syringe pump operable to feed liquid into the droplet generator. The liquid is d ...


5
Ronald E Nelson: Hinged foot and ankle brace. L Paul Burd, Richard O Bartz, Robert W Gutenkauf, January 19, 1988: US04719926 (33 worldwide citation)

An ankle brace for constraining movement of the lower leg and foot about the normal horizontal axis of rotation of the ankle while inhibiting other rotation or extension or retraction movement about abnormal axes or in abnormal directions in order to help prevent injury to the ankle joint. The devic ...


6
Robert A Kruse: Portable display unit. L Paul Burd, Richard O Bartz, Robert W Gutenkauf, April 6, 1982: US04322905 (20 worldwide citation)

A portable display unit for display of advertising material or other informational or decorative material on changeable display cards and for storage of other display cards. The display unit includes a rectangular box-like housing convertible between a collapsed or closed and portable configuration ...


7
Donald A Pedersen: Daptable snow scraper. L Paul Burd, Richard O Bartz, Robert W Gutenkauf, May 2, 1995: US05410824 (17 worldwide citation)

A scraping implement that can be quickly coupled and uncoupled to a conventional self-propelled snowblower for the removal of snow from a driveway or sidewalk. Drop pins releasably hold the frame of the implement to opposite sides of a snowblower housing. The implement has a concave curved plow moun ...


8
Anderson Lawrence: Method of forming rotatable suturing member on a device. Medical Incorporated, L Paul Burd et al, January 1, 1974: US3781969 (17 worldwide citation)

A suturing member and method of forming the suturing member on an implantable device, as a heart valve. The suturing member has a porous fabric cover surrounding a semi-rigid plastic core. An annular sleeve of heat shrinkable plastic material located within the cover holds the cover in assembled rel ...


9
Modahl Robert, Lynch Paul J: Absorption heat exchange systems, methods and absorbent compositions. The Trane Company, L Paul Burd et al, January 8, 1974: US3783631 (15 worldwide citation)

Absorption heat exchange systems and methods, and especially absorption refrigeration systems and methods, employing an absorbent comprised of an aqueous solution of a lithium halide salt and including at least one fluoroalcohol which is stable at high temperatures and which increases the rate of ab ...


10
Peter G Tanis: Aircraft altitude approach control device. L Paul Burd, Richard O Bartz, Robert W Gutenkauf, April 11, 1995: US05406487 (10 worldwide citation)

An improved aircraft altitude approach control device is characterized by both visible and audible indications of changes in the aircraft altitude as the aircraft descends to a landing. A transducer is provided on the aircraft which produces an output signal corresponding to the altitude of the airc ...



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