31
Ready Dudley T: Status indicator apparatus for tag directory in associative stores. Honeywell Information Systems, Guernsey Lloyd B, Hughes Edward W, October 8, 1974: US3840862 (43 worldwide citation)

A four level directory is used to retain 'tags' identifying the address of data information stored in a cache store. A three bit storage unit stores a full/empty status indication of each level of the tag directory and an indication of the level or tag of the area to be loaded next in the cache stor ...


32
McMurray Bud A: Magnetic lock and wrench. Kraus Max R, October 8, 1974: US3840041 (42 worldwide citation)

A magnetic lock and wrench, particularly adapted for fire hydrants in which one of the members of the lock, namely, the inner member is secured to the lug of the fire hydrant, with the outer member positioned thereover and rotatable relative thereto when in an unlocked position, and coupling means t ...


33
Buck Keith E, Kitrilakis Sotiris, Robinson Thomas C: Respirator. The United States of America represented by the Secretary of the, Lothrop & West, October 8, 1974: US3840006 (40 worldwide citation)

A portable, power driven respirator controls measured amounts of air (and, if desired, admix gas, such as oxygen) to a patient during inhalation events and from the patient during exhalation events. The events are controlled pneumatically and electrically as to time and rate of occurrence, duration ...


34
Crapio Anthony: Childrens feeding utensil. The Raymond Lee Organization, Podell Howard I, October 8, 1974: US3839793 (39 worldwide citation)

A utensil for the feeding of infants and children, in which the handle terminates in the face of a clown, with the utensil, such as a fork or a spoon, being fastened to the handle through the mouth of the face of the clown. The handle contains an electrical battery which is connected by a switch to ...


35
Ling Robin Sydney Mackwood, Lee Alan John Clive: Retractor for hip joint surgery. National Research Development Corporation, Cushman Darby & Cushman, October 8, 1974: US3840014 (39 worldwide citation)

Surgical apparatus for separating the femur from the acetabulum, such as in total hip joint replacement by the Southern Approach, takes the form of an inverse pair of tongs which open when the handles are closed. More particularly, the free ends of the tongs respectively carry a pin and a hook which ...


36
Peter Wolfgang, Erath Herbert, Koch Heinz: Temperature and speed responsive fluid coupling. Daimler Benz Aktiengesellschaft, Craig & Antonelli, October 8, 1974: US3840101 (38 worldwide citation)

A fluid friction coupling, especially for the fan drive of internal combustion engines in which at least one working space provided with a working gap is arranged between the driving and driven part and in which additionally a reservoir space is provided which is in communication with the working sp ...


37
Aggen Clifford F, Lee Harry P: Related power supply. The United States of America represented by the Secretary of the Navy, Sciascia R S, St Amand Joseph M, October 8, 1974: US3840797 (38 worldwide citation)

A solid-state high-voltage regulation circuit for devices such as televis receivers which incorporate a flyback transformer. Voltage changes across the transformer secondary winding are compared to a stable reference, and any difference is amplified and applied to control the flow of current to the ...


38
Brown Dwight L: Small plug-type surge protector. Melville Strasser Foster & Hoffman, October 8, 1974: US3840781 (36 worldwide citation)

A small, efficient and inexpensive surge protector to protect delicate, transistorized equipment such as TV sets and the like. The surge protector comprises a plug incorporating one or more fuses and a firing device including a circuit having a Siemens tube, or other non-polarized gas filled tube. T ...


39
Greaney Daniel F: Jockey goal combined with y-shape goaltender therefore. October 8, 1974: US3840228 (36 worldwide citation)

A device for use by children or adults in training or practicing hockey, characterized by its ability to return or deflect hockey pucks and so shaped that it represents a goalie's position in front of a standard goal which causes the players to develop habits which they can translate to actual play. ...


40
Hodge George Robert: Sealable and resealable container. None Such Enterprises, Thompson Jr Howard E, October 8, 1974: US3840152 (35 worldwide citation)

A sealable and resealable container is provided having a novel locking means, a portion of which is carried by the lid part and the other portion of which is carried by the body of the container. The portion carried by the body comprises a plurality of flexible lock tab members integrally formed in ...