Inventor · Sugar Land, TX, US

John A. Kerr

20Patents
11h-index
45Co-inventors
75Inventor score

Filing activity: Mar 22, 1974 → Sep 9, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7261162B2 Subsea communications system Electricity 137 Expired
US6725924B2 System and technique for monitoring and managing the deployment of subsea equipment Fixed Constructions 137 Expired
US7264057B2 Subsea intervention Performing Operations; Transporting 63 Expired
US6763889B2 Subsea intervention Performing Operations; Transporting 46 Expired
US6681861B2 Power system for a well Fixed Constructions 41 Expired
US6808021B2 Subsea intervention system Performing Operations; Transporting 38 Expired
US7931090B2 System and method for controlling subsea wells Fixed Constructions 28 Active
US6536529B1 Communicating commands to a well tool Fixed Constructions 25 Expired
US5034788A Semiconductor device with reduced side wall parasitic device action Electricity 17 Expired
US7933018B2 Spectral imaging for downhole fluid characterization Physics 13 Expired
US7123162B2 Subsea communication system and technique Emerging Cross-Sectional Technologies 12 Expired
US7914266B2 Submersible pumping system and method for boosting subsea production flow Fixed Constructions 9 Active
US8839868B2 Subsea control system with interchangeable mandrel Fixed Constructions 6 Active
US8579504B2 Subsea and landing string distributed temperature sensor system Fixed Constructions 5 Active
US8336630B2 Subsea well production system Fixed Constructions 5 Active
US5136355A Interconnecting layer on a semiconductor substrate Electricity 4 Expired
US7779916B2 Apparatus for subsea intervention Fixed Constructions 4 Active
USRE28704E Semiconductor devices General 3 Expired
US9322747B2 Isothermal subsea sampling system and method Physics 2 Active
US8902077B2 Subsea communication system and technique Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.