1
Larry W Blake: Opening mechanism for umbrella-like intravascular shunt defect closure device. American Hospital Supply Corporation, February 15, 1977: US04007743 (650 worldwide citation)

The pivotable struts of an umbrella-like shunt defect closure device are resiliently biased from a collapsed position to an expanded position by resilient and foldable flat ring sections which extend between the struts when the struts are in their expanded positions but which are folded between the ...


2
Donald L Theurer, Paul M Dormans: Telephone interfaced subscription cable television system especially useful in hotels and motels. The Magnavox Company, Thomas A Briody, William J Streeter, George R Pettit, February 15, 1977: US04008369 (316 worldwide citation)

A PABX telephone interfaced cable television system especially useful in hotels and motels for distributing free and premium program channels via a coaxial cable television signal distribution network to one or more subscriber terminals and associated television sets, includes a remotely tuned R.F. ...


3
Robert Carl Kvavle, William Chester Awe: Method for location and removal of soft tissue in human biopsy operations. February 15, 1977: US04007732 (192 worldwide citation)

X-ray techniques are used to detect early evidence of breast cancer. When such evidence is found, a target is implanted in the suspect area while the patient is being x-rayed. The target has an attached line which leads from the target out through the skin of the patient. A biopsy is made with a cut ...


4
Isamu Yuito, Kikuji Sato, Mikio Hirano: Thin-film field-emission electron source and a method for manufacturing the same. Hitachi, Craig & Antonelli, February 15, 1977: US04008412 (144 worldwide citation)

A thin-film field-emission electron source having an emitter within a minute cavity in a conductive substrate, an insulating layer covering the surface of the substrate except for the portion of the cavity, and a first anode layer on the insulating layer, wherein the substrate and the emitter are co ...


5
Alan Lytton Jones, Robert Melroy Kellogg: Centrifuge fluid container. International Business Machines Corporation, Paul M Brannen, February 15, 1977: US04007871 (124 worldwide citation)

A fluid container particularly useful in a centrifuge system for separating the various fractions in blood. The container comprises two circular sheets of flexible material, having central openings therein. The outer peripheral edges are sealed together, as well as an annular portion extending outwa ...


6
John D Jeter: Device for drilling a hole in the side wall of a bore hole. Texas Dynamatics, February 15, 1977: US04007797 (110 worldwide citation)

The device disclosed includes a housing which can be moved through the bore hole and anchored in the desired location for drilling a lateral hole. Located in the housing is a drill string guide or conductor having a bendable lower end. The conductor is movable to a position where its lower end is ei ...


7
Delmont D Brown: Expansion joint with elastomer seal. The D S Brown Company, Johnston Keil Thompson & Shurtleff, February 15, 1977: US04007994 (94 worldwide citation)

An expansion joint with an elastomer seal having longitudinal frames made from aluminum extrusions extending longitudinally of an expansion joint for pavements and bridge decks. The longitudinal frames are mounted by anchor bolts in the pavement or bridge deck concrete, which pavement or bridge deck ...


8
Dan Bron, Amatzia Arazi: Fluid-operated hypodermic syringe. Toren McGeady and Stanger, February 15, 1977: US04007739 (91 worldwide citation)

A fluid-operated hypodermic syringe for injection of medicinal fluids into livestock, which is adapted to successively and automatically pump out of a container a predetermined quantity of medicinal fluid and to inject it into one animal each. Means are provided to regulate the depth of the needle p ...


9
Anton Banko: Surgical system for controlling the infusion of fluid to and the evacuation of fluid and material from an operating field. Surgical Design Corporation, Darby & Darby, February 15, 1977: US04007742 (87 worldwide citation)

A system for controlling the infusion of fluid to an operating field at a selected predetermined pressure, as a counterpart to an instrument for severing material from an object in the field, and for evacuating the severed material from the field in a suspension or emulsion of the infusion fluid. Th ...


10
Bobbie Lee Edwards: Press and safety latch therefor. Cincinnati Milacron, Daniel P Worth, February 15, 1977: US04007679 (85 worldwide citation)

A press mechanism that is powered by hydraulic, electrical and/or pneumatic means is provided with an improved ratchet and pawl machine which acts as a fail-safe device should any of the power means fail to lock the press parts in place. The fail-safe device includes a ratchet in the form of a circu ...