James S Kashmer, John K Klimbach, Randall P Vendetti: Suction canister with unitary shut-off valve and filter features. Becton Dickinson and Company, Richard J Rodrick, John L Voellmicke, August 14, 1984: US04465485 (553 worldwide citation)

A suction canister assembly comprises an enclosed receptacle having a first opening for providing suction to the receptacle and a second opening for drawing fluids, including liquids and gases, into the receptacle during suction. A unitary shut-off valve/filter element is associated with the interio ...

Toshio Matsuura, Kyoichi Suwa, Hisayuki Shimizu, Akikazu Tanimoto: Exposure apparatus for production of integrated circuit. Nippon Kogaku, Shapiro and Shapiro, August 14, 1984: US04465368 (275 worldwide citation)

An exposure apparatus for production of ICs of the type that includes a stage on which is placed a semiconductor wafer to be exposed by illumination light projecting means, and means for two-dimensionally moving the stage within a plane intersecting the illumination light at substantially right angl ...

Fujio Masuoka: Semiconductor memory device. Tokyo Shibaura Denki Kabushiki Kaisha, Finnegan Henderson Farabow Garrett & Dunner, August 14, 1984: US04466081 (234 worldwide citation)

A semiconductor memory device is constituted by a MOS transistor having a floating gate for storing data. An erase gate, a portion of which is under a part of the floating gate, is arranged on the MOS transistor to discharge electrons from the floating gate. The MOS transistors are arranged in a mat ...

Robert M Best: Crypto microprocessor that executes enciphered programs. Seed and Berry, August 14, 1984: US04465901 (232 worldwide citation)

A microprocessor for executing computer programs which are stored in cipher to prevent software piracy. Such a crypto-microprocessor deciphers the enciphered program piecemeal as it executes it, so that a large enciphered program can be securely executed without disclosing the deciphered program or ...

Peter W R Stubbs: Control systems for continuously variable ratio transmissions (CVT). BL Technology, Brisebois & Kruger, August 14, 1984: US04464952 (196 worldwide citation)

A transmission incorporating a continuously variable ratio unit connected to further gearing, such that a plurality of regimes are available with synchronous shifting between regimes, is controlled such that to avoid hunting between regimes when the transmission is running at or around the synchrono ...

Friedrich G K Baucke, Dieter Krause, Bernd Metz, Volker Paquet, Johannes Zauner: Electrochromic mirrors. JENAer Glaswerk Schott & Gen, Haight & Associates, August 14, 1984: US04465339 (187 worldwide citation)

Electrochromic mirrors hermetically sealed from the ambient environment and comprising at least one electrode, at least one electrochromic layer, a reflector, at least one ion-conducting layer, and at least one ion-supplying layer which simultaneously is an ion-storing layer and is not identical wit ...

Glenn H Schmidt: Method of sustaining metallic golf club head sole plate profile by confined brazing or welding. William W Haefliger, August 14, 1984: US04465221 (185 worldwide citation)

A method of attaching a sole plate to a hollow metal golf club head by providing a dam integral with the head whereby a metallic melt is sustained around the periphery of the sole plate. The dam is later removed so that the sole plate and golf club head are the same height.

Howard Schneider: Apparatus and method of determining fertility status. Hamilton Brook Smith & Reynolds, August 14, 1984: US04465077 (156 worldwide citation)

A fertility computer is disclosed having the ability to store information about a users past menstrual cycle history, basal body temperature, gynecological disorders, which along with certain prediction indicators is used to statistically predict when ovulation will occur. The prediction indicators ...

Syde A Taheri: Needle catheter. Sommer & Sommer, August 14, 1984: US04465072 (147 worldwide citation)

A needle catheter for scraping or thrombosing vascular walls has a sleeve mounted fast to a needle. The sleeve has a recess in which an inflatable balloon is mounted. The balloon may be selectively inflated and deflated by means of an extra-corporeal syringe. The balloon carries a plurality of abras ...

Robert B Love, Uppala V Choudary: Method for forming photovoltaic cells employing multinary semiconductor films. Atlantic Richfield Company, Nilsson Robbins Dalgarn Berliner Carson & Wurst, August 14, 1984: US04465575 (143 worldwide citation)

At least two constituent elements of a semiconductor compound are deposited in varying proportions by magnetron sputtering to produce a film having a preselected concentration gradient of the constituent elements. The film can be heat treated during or after deposition to diffuse the constituent ele ...