Witherspoon; Barry K.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Witherspoon; Barry K..The latest application filed is for "superconducting devices, such as slip-rings and homopolar motors/generators".

Company Profile

1.8.8

Witherspoon; Barry K. - Blacksburg VA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Superconducting devices, such as slip-rings and homopolar motors/generators Grant 10,965,077 - Lewis , et al. March 30, 2	2021-03-30
Superconducting Devices, Such As Slip-rings And Homopolar Motors/generators App 20200144778 - Lewis; Norris E. ; et al.	2020-05-07
Superconducting devices, such as slip-rings and homopolar motors/generators Grant 10,446,995 - Lewis , et al. Oc	2019-10-15
Superconducting Devices, Such As Slip-rings And Homopolar Motors/generators App 20170250512 - Lewis; Norris E. ; et al.	2017-08-31
Fluid-dispensing reservoir for large-diameter slip rings Grant 7,545,073 - Lewis , et al. June 9, 2	2009-06-09
Compact slip ring incorporating fiber-on-tips contact technology Grant 7,495,366 - Day , et al. February 24, 2	2009-02-24
Fluid-dispensing reservoir for large-diameter slip rings App 20080278025 - Lewis; Norris E. ; et al.	2008-11-13
Fluid-dispensing reservoir for large-diameter slip rings Grant 7,423,359 - Lewis , et al. September 9, 2	2008-09-09
Electrical contact technology and methodology for the manufacture of large-diameter electrical slip rings Grant 7,339,302 - Lewis , et al. March 4, 2	2008-03-04
Fluid-dispensing reservoir for large-diameter slip rings App 20070188041 - Lewis; Norris E. ; et al.	2007-08-16
Compact slip ring incorporating fiber-on-tips contact technology App 20070120437 - Day; Michael J. ; et al.	2007-05-31
Fiber-optic transceiver Grant 7,158,700 - Duncan , et al. January 2, 2	2007-01-02
Electrical contact technology and methodology for the manufacture of large-diameter electrical slip rings App 20060264070 - Day; Michael J. ; et al.	2006-11-23
Electrical contact technology and methodology for the manufacture of large-diameter electrical slip rings Grant 7,105,983 - Day , et al. September 12, 2	2006-09-12
Electrical contact technology and methodology for the manufacture of large-diameter electrical slip rings App 20050280329 - Day, Michael J. ; et al.	2005-12-22
Fiber-optic transceiver App 20050254822 - Duncan, Michael P. ; et al.	2005-11-17

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