1
Heinz Scharbach, Achim Engelhardt, Peter Bunz: Surgical implant and method for its production. Sybron Corporation, Theodore B Roessel, James A Rich, October 26, 1976: US03987499 (364 worldwide citation)

A surgical implant is produced by coating a metallic substrate with enamel. The metallic substrate provides structural strength and the enamel provides chemical stability, resistance to wear, tissue compatibility, progressive ingrowth and electrical insulating properties. The implant may be produced ...


2
Helmut Grell, Heinz Scharbach: Medical securement element with abrasive grains on thread surface. Pfaudler Werke, Theodore B Roessel, James A Rich, December 11, 1979: US04177524 (105 worldwide citation)

A medical securement element with a self-tapping screw thread is provided with biocompatible abrasive grains at the surface of the thread. The grains are preferably embedded in a layer of porcelain enamel on a metal substrate.


3
G Louis Reser: Surgical table hydraulic system. Sybron Corporation, Theodore B Roessel, James A Rich, April 1, 1980: US04195829 (67 worldwide citation)

The disclosed surgical table hydraulic system uses a plurality of double acting hydraulic motors, such as double-ended hydraulic cylinders or reversible rotary hydraulic motors, that can be operated either independently or in synchronization. Each of the motors can be connected to a source of pressu ...


4
Thomas A Davis: Electrically regenerated ion exchange system. Sybron Corporation, Theodore B Roessel, James A Rich, June 28, 1977: US04032452 (66 worldwide citation)

The electrical efficiency of an electrically regenerated ion exchange system is improved by using elongated ion exchange members having a continuous ion exchange phase that is more conductive in the exhausted form than it is in the regenerated form. Preferably, the system includes anion exchange mem ...


5
Helmut Grell, Achim Engelhardt: Body joint endoprosthesis. Sybron Corporation, Theodore B Roessel, James A Rich, February 12, 1980: US04187559 (56 worldwide citation)

A body joint endoprosthesis includes an anchoring member having a shaft anchored in a first bone and a pivot member connected to the anchoring member by a pivot joint. The pivot member includes a first body joint member and a support element that bears against a seating surface of the first bone. Th ...


6
Patrick Farabaugh: Fluid distributor. Sybron Corporation, Theodore B Roessel, James A Rich, December 27, 1977: US04065391 (42 worldwide citation)

A distributor that supplies either a liquid or a gas to a bed of granular media, such as a sand filter, is divided by inclined interior walls into primary and secondary horizontal conduits that extend parallel to each other. Gas metering orifices are positioned at an intermediate level in the inclin ...


7
Michael D Skibo, David M Schuster: Process for production of metal matrix composites by casting and composite therefrom. Dural Aluminum Composites, Gregory O Garmong, James A Rich, Gordon P Becker, July 26, 1988: US04759995 (32 worldwide citation)

Silicon carbide particulate reinforced aluminum alloy matrix composites are formed using techniques which include agitation of a melt of aluminum alloy, containing magnesium, and silicon carbide particulates in a manner whereby the silicon carbide particles are maintained, during agitation, within t ...


8
Michael D Skibo, David M Schuster: Process for preparation of composite materials containing nonmetallic particles in a metallic matrix, and composite materials made thereby. Dural Aluminum Composites, Gregory O Garmong, James A Rich, Gordon P Becker, November 22, 1988: US04786467 (27 worldwide citation)

A method and apparatus for preparing cast composite materials of nonmetallic particles in a metallic matrix, wherein particles are mixed into a molten metallic alloy to wet the molten metal to the particles, and the particles and metal are sheared past each other to promote wetting of the particles ...


9
Richard S Bruski, Larry G Hudson, Michael D Skibo: Cast composite material having a matrix containing a stable oxide-forming element. Dural Aluminum Composites, Gregory Garmong, James A Rich, Gordon P Becker, December 31, 1991: US05076340 (25 worldwide citation)

A cast composite material is prepared from a modified aluminum-containing matrix and reinforcement particles mixed into the matrix. From about 15 to about 130, preferably from about 20 to about 50, parts per million of an element, preferably beryllium, that forms a more stable oxide than magnesium o ...


10
Roland R Van der Beck, James W Chapman: Sight glass assembly and method for its production. Sybron Corporation, Theodore B Roessel, James A Rich, July 31, 1979: US04162826 (20 worldwide citation)

A high impact sight glass assembly and production method are described, in which the glass lens is fused into an enamel coated metal ring such that the glass lens is fused to the enamel coating and the entire glass area is under compression. The glass lens is placed in the bore of a flange, and the ...