1
Scott Fullam, Pasquale Romano: Cell notification. 2Wire, Head Johnson & Kachigian P C, April 10, 2012: US08155670 (133 worldwide citation)

A system and method for enabling an access point to determine that a mobile device has crossed a wireless coverage area boundary associated with the access point and select, for transmission to the mobile device, an audible notification indicating the mobile device has crossed the wireless coverage ...


2
Ingrid Fritsch, Robert Beitle Jr, Zoraida Aguilar: Self-contained microelectrochemical bioassay platforms and methods. Board of Trustees of the University of Arkansas, Head Johnson & Kachigian P C, March 25, 2008: US07348183 (52 worldwide citation)

Methods and devices for improved chemical and biomass detection assays combined well defined microstructures having independently addressable electrodes with various surface immobilization electrochemical assays. Combining known chemical detection immobilization assays, electrochemically active moie ...


3
Eyitayo S O Fakunle, Prabhu U Arumugam, Ingrid Fritsch, Jeffrey Elbert Mincy, Fred D Barlow III, Gangqiang Wang: Microfluidic device utilizing magnetohydrodynamics and method for fabrication thereof. Board of Trustees of the University of Arkansas, Head Johnson & Kachigian P C, December 23, 2008: US07467928 (33 worldwide citation)

Microfluidic channels utilizing magnetohydrodynamics are used to pump very small volumes of solution. The channels have electrodes along the walls and a current carrying species within a solution carries current through the solution. The combination of the electric and magnetic fields causes the sol ...


4
Kenneth Shawn McCall: Dressing and integrated system for detection of fluid loss. Head Johnson & Kachigian P C, March 2, 2010: US07670289 (29 worldwide citation)

A fluid loss detection device for dressings at pre-existing port sites, catheter sites, operative sites, ostomy sites, drain sites, line sites such as those utilized in hemodialysis, wound sites, or other areas for which monitoring of fluid or blood loss is medically indicated. The detection device ...


5
Phillip L Lieberman: Portable telescoping tower assembly. Head Johnson & Kachigian P C, August 18, 2009: US07574832 (23 worldwide citation)

A portable telescoping tower assembly. The assembly includes a tower mounted on a trailer wherein the tower includes a plurality of telescoping sections that extend for use and retract and nest for storage and transportation. At least one cylindrical ram moves the tower between horizontal and vertic ...


6
Larry C Purcell, Robert L Rorie, Douglas E Karcher: System and method of determining nitrogen levels from a digital image. Board of Trustees of the University of Arkansas, Head Johnson & Kachigian P C, March 5, 2013: US08391565 (23 worldwide citation)

A system and method of determining nitrogen levels from a digital image. In particular, a method of determining leaf nitrogen concentration and yield from a digital photograph of a fully developed leaf (collared leaf) of a crop of nonlegumes, such as corn, rice, wheat, cotton, potatoes or sugarcane. ...


7
Daniel Burget: Spherical drive system. Head Johnson & Kachigian P C, June 11, 2013: US08459383 (23 worldwide citation)

A spherical drive system for a vehicle providing movement in multiple directions. The spherical drive system can be maneuvered either by a system of driven omnidirectional wheels or by an electromagnetic field. One embodiment includes two pairs of omnidirectional drive wheels working in complement t ...


8
James T Schley May, Richard Barry Angell: Method and apparatus for generating a common-mode reference signal. 2Wire, Head Johnson & Kachigian P C, June 25, 2013: US08472532 (16 worldwide citation)

A method and apparatus to generate a common-mode reference signal. A common-mode current is received at a common-mode current sensing circuit. The common-mode current is sampled at a node between the common-mode current sensing circuit and a shunt resistor. The resulting voltage across the shunt res ...


9
Robert E Fitzgerald, Caitlin A Fitzgerald: Lighted headwear with recessed light source and lens. Outdoor Cap Company, Head Johnson & Kachigian P C, August 26, 2014: US08813268 (15 worldwide citation)

Lighted headwear having a brim and a light unit located within the brim. The light unit includes: a holder with a front end and a back end; at least one lens located within the holder at the front end of the holder; and at least one light source located within the holder and axially spaced from the ...


10
Leroy David Cordill: Downhole measurement tool circuit and method to balance fault current in a protective inductor. Automation Solutions, Head Johnson & Kachigian P C, April 3, 2012: US08149552 (15 worldwide citation)

A downhole measurement tool circuit and method to balance fault current in a protective inductor, which keeps an alternating current balanced in a protective choke during a phase-to-ground fault condition in a power cable or a downhole motor of an electrical submersible pump. The downhole measuremen ...