1
James E Potzick, Baldwin Robertson: Long wavelength acoustic flowmeter. The United States of America represented by the Secretary of Commerce, Eugene J Pawlikowski, Alvin J Englert, May 1, 1984: US04445389 (114 worldwide citation)

A nonintrusive instrument for measuring the volume flowrate of, and the speed of sound in, an arbitrary fluid in a pipe, tube or duct. The sound speed measured is that of a stationary fluid even though the measurement is made while the fluid may be flowing. These measurements are absolute in that th ...


2
Ernest W Kent: Image processor. The United States of America represented by the Secretary of Commerce, Eugene J Pawlikowski, Alvin J Englert, Ross F Hunt Jr, July 15, 1986: US04601055 (75 worldwide citation)

An iconic-to-iconic low-level image processor is provided which comprises a lurality of identical sequential intermediate stages located between an input stage adapted to be connected to image sources such as analog or digital television cameras, ranging devices and conformal mapping arrays and an o ...


3
Fredric E Scire, E Clayton Teague: Flexure hinge. The United States of America represented by the Secretary of Commerce, Eugene J Pawlikowski, Alvin J Englert, Ira C Edell, December 24, 1985: US04559717 (73 worldwide citation)

An improved flexure hinge permits both angular pivoting and longitudinal expansion and contraction and is made of a body member of solid material which is normally not flexible or expandable. A first recess is defined part-way through the body member at one longitudinally extending edge opposite sec ...


4
Ray R Dils: Optical fiber thermometer. The United States of America represented by the Secretary of Commerce, Eugene J Pawlikowski, Alvin J Englert, David A Blumenthal, March 18, 1986: US04576486 (60 worldwide citation)

A temperature measuring device suitable for high temperature measurements in the range of 500.degree.-2400.degree. C. utilizing a blackbody cavity to emit radiation in the wavelength band of 0.3 .mu.m-1.0 .mu.m. The emitted light is transmitted to a photodetector via a high temperature ceramic fiber ...


5
Alexander H Slocum, James P Peris: Micromanipulator system. USA represented by the Secretary of Commerce, Alvin J Englert, Douglas E Jackson, September 15, 1987: US04694230 (48 worldwide citation)

A micromanipulator system for precisely positioning an object in an xz plane and then grossly moving the object in the y direction into a hole z is disclosed. The micromanipulator system includes a base and a platform mounted to the base having five different degrees of movement (in the x direction, ...


6
Richard S Gates, Stephen M Hsu: Aluminum hydroxides as solid lubricants. The United States of America represented by the Secretary of Commerce, Thomas Zack, Alvin J Englert, James A Oliff, April 24, 1990: US04919829 (48 worldwide citation)

Aluminum hydroxides are used as solid lubricants for aluminum oxides, cercs and other materials having oxide surfaces. Aluminum oxide hydroxides and aluminum trihydroxides are preferred compositions for such lubricating purposes. In particular, the use of boehmite in an aqueous solution significantl ...


7
James E Potzick, Baldwin Robertson: Synchronous phase marker and amplitude detector. The United States of America represented by the Secretary of Commerce, Eugene J Pawlikowski, Alvin J Englert, Stanley C Spooner, May 28, 1985: US04520320 (45 worldwide citation)

Disclosed is an electronic circuit for determining the phase difference between an input signal and a reference signal where both signals are of the same frequency. Furthermore, the circuit provides an amplitude output indicative of the input signal even when that signal is obscured by noise. A chop ...


8
Alan R Carr: Three-element antenna formed of orthogonal loops mounted on a monopole. The United States of America represented by the Secretary of Commerce, Eugene J Pawlikowski, Alvin J Englert, February 21, 1984: US04433336 (44 worldwide citation)

A three-element directional/omnidirectional antenna adapted for use in both transmitting and receiving modes. Crossed loop antennas are mounted on top of a monopole whip antenna and are electrically coupled thereto. Each of the loop antennas consists of an outer larger primary loop and an inner seco ...


9
John M Vranish, Wayne R Bunch, William L Johns: Split rail parallel gripper. The United States of America represented by the Secretary of Commerce, Alvin J Englert, Harold L Novick, November 17, 1987: US04707013 (43 worldwide citation)

A wide-throw parallel-action gripper of the split-rail design is disclosed. The gripper includes a pair of preloaded linear bearings which engage the outward surfaces of each rail and two roller bearings spaced on either side of a pinion, all mounted onto a pinion shaft, which engage the inward side ...


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