1
Bernard D Santarsiero, Raymond C Stevens, Peter G Shultz, Joseph M Jaklevic, Derek T Yegian, Earl Cornell, Robert A Nordmeyer, Jian Jin, William F Kolbe, Arthur L Jones, Donald C Uber: Methods and apparatus for performing array microcrystallizations. The Regents of the University of California, David J Weitz, Wilson Sonsini Goodrich & Rosati, October 2, 2001: US06296673 (185 worldwide citation)

A method is provided for performing array microcrystallizations to determine suitable crystallization conditions for a molecule. The method comprises forming an array of microcrystallizations, each microcrystallization comprising a drop containing a molecule to be crystallized, the drop having a vol ...


2
Michael F Gard, Jian Jin, John C Wisehart: Electronic compass. The Charles Machine Works, Sidley & Austin, December 15, 1998: US05850624 (134 worldwide citation)

An electronic compass (10) for use in a boring tool (12) which will provide an orientation of the boring tool relative to the earth's magnetic field. In addition, a more straightforward left or right deviation from an initial bearing can be determined. The invention can correct for pitch angle and r ...


3
Zhen Biao Lin, Jian Jin Lin, Seymour Robin: Adaptive nulling methods for GPS reception in multiple-interference environments. Sensor Systems, Koppel & Jacobs, December 26, 2000: US06166690 (81 worldwide citation)

Methods are disclosed for receiving GPS signals in the presence of multiple interference signals. The methods feature the orthogonal projection of sub-optimal weight vectors onto sets of orthonormal basis vectors. They facilitate the use of single-port reception techniques in which power is monitore ...


4
Michael F Gard, Jian Jin: System and method for determining orientation to an underground object. The Charles Machine Works, McKinney & Stringer PC, June 25, 2002: US06411094 (75 worldwide citation)

A system and method use magnetic field sensing to detect underground objects for strike avoidance. The system detects magnetic field components for both passive distortions in the magnetic field indicative of a ferromagnetic object and active magnetic fields that are impressed on an object by a sign ...


5
Michael F Gard, Jian Jin: System and method for detecting an underground object using magnetic field sensing. The Charles Machine Works, Tomlinson & O Connell PC, May 2, 2006: US07038454 (45 worldwide citation)

A system and method use magnetic field sensing to detect underground objects for strike avoidance. The system detects magnetic field components for both passive distortions in the magnetic field indicative of a ferromagnetic object and active magnetic fields that are impressed on an object by a sign ...


6
Stephen A Empedocles, Andrew R Watson, Jian Jin: Spatial positioning of spectrally labeled beads. Invitrogen, Raymond A Miller, Pepper Hamilton, July 18, 2006: US07079241 (26 worldwide citation)

Devices, systems, kits, and methods for detecting and/or identifying a plurality of spectrally labeled bodies well-suited for performing multiplexed assays. By spectrally labeling the beads with materials which generate identifiable spectra, a plurality of beads may be identified within the fluid. R ...


7
John C Wisehart, Austin L Widener, Jian Jin: Apparatus and method for determining boring direction when boring underground. The Charles Machine Works, McKinney & Stringer P C, March 9, 1999: US05880680 (25 worldwide citation)

A guidance module for an underground horizontal boring assembly. The module determines the pitch angle of the boring tool independent of roll using a single accelerometer sensor. The accelerometer sensor has a single sensitive axis which is aligned parallel to, and preferably coaxial with, the longi ...


8
Frank S Nickel, Jian Jin: Apparatus and method for simultaneously locating a fixed object and tracking a beacon. The Charles Machine Works, McKinney & Stringer P C, August 17, 2004: US06776246 (14 worldwide citation)

A portable area monitoring system for use with a horizontal directional drilling machine and adapted to produce a composite of the positions of a beacon and a fixed object. In a preferred embodiment the sensor assembly is supported by a hand-held frame and adapted to detect signals emanating from ea ...


9
Zhen Biao Lin, Jian Jin Lin, Seymour Robin: Single-port weighting systems for GPS reception in multiple-interference environments. Sensor Systems, Koppel Jacobs Patrick & Heybl, May 21, 2002: US06392596 (12 worldwide citation)

Single-port weighting systems are shown for applying phase and/or amplitude weights to received signals. One system embodiment includes an array of antenna elements, a microwave power combiner, a plurality of microwave structures and a single microwave downconverter that is coupled to the power comb ...


10
Frank S Nickel, Jian Jin: Apparatus and method for simultaneously locating a fixed object and tracking a beacon. The Charles Machine Works, Tomlinson & O Connell PC, March 21, 2006: US07013990 (10 worldwide citation)

A portable area monitoring system for use with a horizontal directional drilling machine and adapted to produce a composite of the positions of a beacon and a fixed object. In a preferred embodiment the sensor assembly is supported by a hand-held frame and adapted to detect signals emanating from ea ...