1
Robert G Rothfuss: Intralumenal anastomosis surgical stapling instrument. Senco Products, Frost & Jacobs, March 16, 1982: US04319576 (298 worldwide citation)

A disposable surgical stapling instrument for the joining together of tubular body organs such as the organs of the alimentary canal. The instrument comprises an elongated body having a tubular housing portion and a coaxial cylindrical handle portion. The tubular housing portion supports at its free ...


2
Michael J Freeman: Verbally interactive telephone interrogation system with selectible variable decision tree. Hubbell Cohen Stiefel & Gross, March 16, 1982: US04320256 (220 worldwide citation)

An improved verbally interactive telephone interrogation system is provided in which a two-way telephone subscriber network, such as a Touch-Tone type two-way telephone subscriber network, is utilized to enable both telephone call placement and individualized remote variable audio message selection ...


3
Akira Yoshikawa, Osamu Ochi, Tomoko Hisaki, Yoshihiko Mizushima: Pattern-forming process. Nippon Telegraph & Telephone Public Corporation, Sughrue Mion Zinn Macpeak & Seas, March 16, 1982: US04320191 (174 worldwide citation)

This invention relates to a pattern-forming process using a radiation sensitive chalcogenide layer composed of a laminate of amorphous chalcogenide layer (2) and thin silver layer (3), and discloses a pattern-forming process characterized by etching out an amorphous chalcogenide layer (22) not doped ...


4
Roberto Muller, Antonio M Sousa: Shoe having fluid pressure supporting means. Pony International, Steven H Bazerman, March 16, 1982: US04319412 (147 worldwide citation)

A shoe of the inflatable type having a midsole supporting member with a number of hollow downwardly extending support posts intercommunicated by channels recessed in the upper surface of the member. The upper surface is covered with a layer of natural rubber, to form enclosed air spaces with the hol ...


5
Peter S Colley, Roy W Martin: Method for detecting air emboli in the blood in an intracorporeal blood vessel. The Board of Regents of the University of Washington, Christensen O Connor Johnson & Kindness, March 16, 1982: US04319580 (145 worldwide citation)

A system for detecting and quantifying air emboli in blood vessels which uses either an intravascular catheter 22 or an esophageal catheter 50. In a preferred embodiment, the intravascular catheter includes an elongated cylindrical tube of flexible material, the tube having a tip 22A and having form ...


6
John A Tregoning: Liquid dispensing apparatus. Vickers, Larson and Taylor, March 16, 1982: US04319568 (124 worldwide citation)

Liquid dispensing apparatus comprises a T-tube (9) of which the limb tube serves as a closed reservoir (8) for liquid, with an air space above. Liquid is pumped by a peristaltic pump (A) through a tube (6) and one arm of the T-tube into the reservoir until a level detector (D) responds to the liquid ...


7
Galyn A Schulz: Multi-ply fibrous sheet structure and its manufacture. American Can Company, Robert P Auber, George P Ziehmer, Harry W Hargis III, March 16, 1982: US04320162 (121 worldwide citation)

In the manufacture of a multi-ply fibrous sheet structure, each of a pair of plies of fibrous web material is provided with a pattern of relatively deep, primary, spot embossments each adherent to the opposite ply and surrounded by a pattern of relatively shallow, secondary, non-adherent spot emboss ...


8
Paul H Jones: Method for enhanced oil recovery by geopressured waterflood. P H Jones Hydrogeology, Fleit & Jacobson, March 16, 1982: US04319635 (120 worldwide citation)

The recovery of petroleum produced from an oil reservoir is enhanced by injecting water such as from a geopressured aquifer having a natural gas content at or near saturation at a temperature above 300.degree. F. into the oil reservoir at a flow rate sufficient to develop a back-pressure in the oil ...


9
John B Rose, Philip A Staniland: Thermoplastic aromatic polyetherketones. Imperial Chemical, Cushman Darby & Cushman, March 16, 1982: US04320224 (113 worldwide citation)

Tough crystalline thermoplastic aromatic polyetherketones containing the repeat units ##STR1## alone or in conjunction with other repeat units especially ##STR2## and having an inherent viscosity IV of at least 0.7, preferably at least 0.8. The polymers may be made by condensation of hydroquinone, 4 ...


10
James F Black, Richard A Courtney, Thomas W Grudkowski, Philip T Norusis, Harry R Wood: Fundamental, longitudinal, thickness mode bulk wave resonator. United Technologies Corporation, M P Williams, March 16, 1982: US04320365 (110 worldwide citation)

A substrate (10) is thinned to provide a membrane (12) on which are disposed a counter electrode (20), a film of low conductivity piezoelectric material (22) and a top electrode (24) to form a half wavelength, bulk mode resonator employing a longitudinal acoustic wave. A second top electrode (25) pr ...