Heilman Marlin S, Kranys Rudolph J, Jones Donald: Angiographic injector equipment. Medrad, October 31, 1972: US3701345 (241 worldwide citation)

An angiographic injector control system for delivering a controlled volume of injection fluid is described. The injector has a motor driven piston for ejecting fluid from a syringe cartridge contained within a pressure jacket. The drive motor is operated in accordance with a command voltage correspo ...

Krakauer Sidney, Rosenberg David: Filter for use in the filtration of blood. Pall Corporation, October 31, 1972: US3701433 (129 worldwide citation)

A filter element is provided for use in the filtration of blood such as in cardiopulmonary bypass techniques in open heart surgery, comprising a woven square weave mesh of polyester monofilaments having a pore size within the range from about 25 to about 50 microns.

Stroman Larry J: Method and apparatus for determining the supercompressibility factor of natural gas. Daniel, October 31, 1972: US3701280 (124 worldwide citation)

In one exemplar embodiment, an electrical circuit for deriving an electrical signal representative of the square of the supercompressibility factor of natural gas by providing means for measuring the static pressure of the gas, multiplying the static pressure measurement by predetermined functions o ...

Albert C McNamara Jr: Light reflector system. Esquire, Arnold White & Durkee, Tom Arnold, Robert A White, Bill Durkee, Frank S Vaden III, October 31, 1972: US3701898 (85 worldwide citation)

A light reflector for a light source having flat sided reflecting surfaces, the corners also being reflecting surfaces, each corner having its smallest dimension in the plane of the reflector opening and gradually widening toward the base of the reflector along lines permitting primary reflections e ...

Dale W Schubert, Frederick D Ezekiel: Active fluid isolation system. Barry Wright Corporation Watertown MA, Milton E Gilbert, October 31, 1972: US3701499 (71 worldwide citation)

A body to be stabilized, such as an aircraft pilot seat includes means, such as an accelerometer, for providing an acceleration signal representative of the acceleration of the body. This acceleration signal is used to control the action of a servovalve-controlled hydraulic actuator, to reduce the f ...

Larson Leighton W: Bi-valved cast. October 31, 1972: US3701349 (67 worldwide citation)

A bi-valved cast for immobilizing broken limbs in which complementary rigid shells, each having an inflatable liner, are releasably secured together about the limb or other body portion to be immobilized, so that upon pressurizing the liners, the limb or other body portion will be immobilized. A sig ...

Krumholz Frank C: Planter and method of preparing soil. Allis Chalmers Manufacturing Company, October 31, 1972: US3701327 (67 worldwide citation)

A combination of rolling ground contacting tools for preparing a seed bed, fertilizing, dropping seed and covering and forming the soil about the seed under existing conditions without previous soil preparation.

Erkfritz Donald S: Slotting cutter and indexable inserts therefor. The Ingersoll Milling Machine Company, October 31, 1972: US3701187 (65 worldwide citation)

Ribbed cutting inserts providing scalloped cutting edges are spaced angularly around the periphery of a supporting disk and are staggered relative to one another along the axis of the disk to remove laterally spaced chips from the bottom of the slot while the sides of the slot are face milled by sid ...

Whitney John K: Inflatable body support. October 31, 1972: US3701173 (65 worldwide citation)

An inflatable body support having sequentially expandable first and second banks of cells which comprise transversely extending fingers. Each of the finger cells have substantially the same effective diameter with a center to center distance, between a cell from the first bank and a cell from the se ...

James N Crum: Circumferential and lateral web registration control system. Harris Intertype Corporation Cleveland OH, Yount and Tarolli, October 31, 1972: US3701464 (63 worldwide citation)

A control system for controlling registration in a multi-color web-fed printing press system senses register marks which are printed on the web. Any circumferential registration error which is detected by sensors that sense the register marks is translated into a count in a circumferential counter w ...