1
Brown deceased Cicero C: Break out elevators for rotary drive assemblies. Torres & Berryhill, October 28, 1975: US3915244 (132 worldwide citation)

Disclosed is a rotary drive assembly for manipulating well pipe. The assembly, which is carried in a drilling derrick, provides means for both threaded and non-threaded connection with a well pipe. The threaded connection is used for imparting rotary motion to the pipe and an attached drill string d ...


2
Damon T Slator: Drive connector with load compensator. Brown Oil Tools, Torres & Berryhill, June 22, 1976: US03964552 (52 worldwide citation)

Disclosed is a rotary drive assembly for manipulating well pipe. The assembly, which is carried by the traveling block in a drilling derrick, provides means for engaging well pipe by either threaded or non-threaded connection. The threaded connection is used during drilling for imparting rotary moti ...


3
Eddie L Robert: Blowout preventer locking apparatus and method. Torres & Berryhill, March 2, 1976: US03941141 (45 worldwide citation)

Locking apparatus for a ram type blowout preventer having a housing with a passageway through which a tubular member may pass; rams movable between a non-sealing position in the housing, in which the passageway is open, and a sealing position in which the passageway is sealingly closed; and an opera ...


4
James Edward Hipp: Well tool and method of use therefor. Brown Equipment & Service Tools, Torres & Berryhill, March 30, 1976: US03946819 (36 worldwide citation)

A tool adapted for connection to the lower end of a fluid supply line comprising: a housing; a tubular stem telescopically received by the housing for relative reciprocal movement therewith in response to fluid pressure communicated to the housing through the supply line; a working element attached ...


5
Brown Cicero C: Pipe handling apparatus. Torres & Berryhill, November 4, 1975: US3916500 (35 worldwide citation)

Disclosed is a pipe handling apparatus for delivering pipe sections to a well drilling derrick or for receiving such pipe from the derrick and placing it in a pipe rack. The apparatus includes a pipe rack for storage of pipe, a conveyor disposed along the rack and extending to the derrick and pipe l ...


6
Brown Cicero C: Patient lift and exercise apparatus. Torres & Berryhill, April 15, 1975: US3877421 (33 worldwide citation)

A lifting apparatus employed to position lift or transport invalids or other bed-ridden patients. The apparatus comprises an adjustable-width base assembly supporting a mast assembly which in turn supports a boom assembly from which a sling is adjustably suspended. The base assembly is provided with ...


7
Peter M Lovie: Self-elevating offshore drilling unit legs. Engineering Technology Analysts, Torres & Berryhill, July 6, 1976: US03967457 (29 worldwide citation)

Leg apparatus for an offshore drilling unit of the self-elevating type having a floatable hull and a plurality of legs movable from a raised position, in which the legs are supported by the hull in a body of water, to a lowered position, in which the hull is supported by the legs on the floor of the ...


8
Chudleigh B Cochran: Check valve assembly. Brown Oil Tools, Torres & Berryhill, August 10, 1976: US03973587 (29 worldwide citation)

A check valve assembly for use in a flow conductor. A tubular valve body with a central flow passage is mounted in the assembly. A spring urges the body toward closed position in which a rigid sleeve encircles and covers outlet ports in the downstream end of the body. A resilient skirt of rubber ext ...


9
Brown Cicero C: Well control means. Torres & Berryhill, August 20, 1974: US3830306 (28 worldwide citation)

Opening and closing of a subsurface safety valve in a well conduit is regulated by predetermined movement of a well conduit supported from an offshore production platform. In one form of the invention, release of support means employed to suspend the conduit in the well permits the conduit to move l ...


10
Mirdadian Mohammad Kian: Remotely operated net output ticket printer. Torres & Berryhill, March 25, 1975: US3873814 (27 worldwide citation)

The pulsating output signal from a metering device is conveyed to a K factor selection circuit which counts the number of pulses present in the meter signal and, when a predetermined, selectable number of pulses has been counted, produces a unit output pulse representing a unit volume of flow past t ...