1
Oliver F R A Damm, Klaus Tank: Diamond bearing assembly. CSIR, Oblon Spivak McClelland Maier & Neustadt, November 29, 1994: US05368398 (174 worldwide citation)

The invention concerns a diamond bearing assembly for a downhole motor. The assembly (10) includes at least one set of opposing, relatively rotating thrust bearing rings (20, 22) each of which includes an annular support element (24, 30) and PCD compacts (26, 32) carried by the support elements. The ...


2
Marsh Michael J C, Gouws Gideon J, Carson Mark H, Marais Mario A, Hodson Trevor M: Attaching an electronic circuit to a substrate.. Csir, September 14, 1994: EP0615285-A2 (122 worldwide citation)

Integrated circuits such as transponders (10) are attached to a substrate (28) such as cardboard packaging material by adhering an integrated circuit to the substrate, applying a patch antenna (18) to the substrate and the integrated circuit, and applying a sealing layer (40) over the integrated cir ...


3
Theunis C Verster: Location of objects. CSIR, Harness Dickey & Pierce, May 25, 1993: US05214410 (110 worldwide citation)

A locating system 10 for locating predetermined labelled objects 20 includes a transceiver unit 12 which comprises a narrow beamwidth antenna 14 for transmitting an energizing signal 16 at a predetermined first frequency and for receiving a returned signal 22 at a predetermined second frequency from ...


4
Marsh Michael John Camille, Van Zyl Clinton Aiden: Synchronised electronic identification system.. Csir, March 2, 1994: EP0585132-A1 (90 worldwide citation)

The invention relates to an identification system comprising an interrogator and a plurality of transponders. The interrogator includes transmitter means (30) for transmitting an interrogation signal to the transponder, receiver means (10) for receiving a response signal from the transponder, and pr ...


5
Marsh Michael John Camille, Lenarcik Andrzej: Electronic identification system.. Csir, July 8, 1992: EP0494114-A2 (88 worldwide citation)

An identification system comprises an interrogator and a number of transponders. The interrogator includes a transmitter (10) for transmitting an interrogation signal to the transponder, and a receiver (16,18,20,22) for receiving a response signal from the transponder. A micro-processor (28) identif ...


6
Damm Oliver Frank Rudolf Augus, Tank Klaus: Diamond bearing assembly.. Csir, de Beers Ind Diamond, May 4, 1994: EP0595630-A1 (78 worldwide citation)

The invention concerns a diamond thrust bearing assembly for a downhole motor. The assembly (10) includes at least one set of opposing bearing rings (20, 22), each of which has an annular support element (24, 30) and a plurality of PCD compacts (48, 62) carried in circumferentially spaced relationsh ...


7
Marsh Michael John Camille, Lenarcik Andrzej, Van Zyl Clinton Aiden, Van Schalkwyk Andries Christof, Oosthuizen Marthinus Jacobus R: Detection of multiple articles.. Csir, Oosthuizen Marthinus Jacobus R, May 25, 1994: EP0598624-A1 (63 worldwide citation)

An identification system comprises an interrogator and a plurality of transponders. The interrogator includes a transmitter which transmits at least two independent interrogation signals to the transponders, and a receiver for receiving response signals from the transponders. The interrogator also i ...


8
Heidi Rolfes, Thilo Lothar Van Der Merwe, Patricia Ann Truter: Method of making controlled release particles of complexed polymers. CSIR, Pillsbury Winthrop, April 24, 2001: US06221399 (53 worldwide citation)

A method of making a solid interpolymer for use as a controlled release matrix for a controlled release product for oral administration, involves dissolving a first polymer in a solvent therefor, dissolving one or more second complementary polymers capable of complexing with the first polymer to for ...


9
Michael M Thackeray, Annemare De Kock: Method of synthesizing a lithium manganese oxide. CSIR, Harness Dickey & Pierce, December 25, 1990: US04980251 (46 worldwide citation)

A method of synthesizing a lithium manganese oxide in accordance with the formula Li.sub.1-x Mn.sub.2 O.sub.4 in which 0.ltoreq.x<1 and having a spinel-type crystal structure includes forming a mixture in finely divided solid form of at least one lithium salt such as Li.sub.2 CO.sub.3 which decompos ...


10
Michael J C Marsh, Raymond C Atkins, Trevor M Hodson: Communication system. CSIR, Lowe Price LeBlanc & Becker, October 4, 1994: US05353009 (36 worldwide citation)

A communication system comprises a control station and a number of remote stations connected to the control station by a multi-conductor harness. The control station houses a computer and supplies the remote stations with electrical power, as well as communicating bidirectionally with the remote sta ...