Roffers; Richard Michael

Patent Applications and Registrations

Patent applications and USPTO patent grants for Roffers; Richard Michael.The latest application filed is for "spark gap device and method of measurement of x-ray tube vacuum pressure".

Company Profile

1.16.11

Roffers; Richard Michael - Milwaukee WI
Roffers; Richard Michael - Menomonee Falls WI US
Roffers; Richard Michael - Whitefish Bay WI

*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
Spark gap device and method of measurement of X-ray tube vacuum pressure Grant 10,605,687 - Roffers , et al.	2020-03-31
X-ray tube cathode with shaped emitter Grant 9,865,423 - Lemaitre , et al. January 9, 2	2018-01-09
Spark Gap Device And Method Of Measurement Of X-Ray Tube Vacuum Pressure App 20170248485 - Roffers; Richard Michael ; et al.	2017-08-31
Apparatus for wide coverage computed tomography and method of constructing same Grant 9,271,689 - Rogers , et al. March 1, 2	2016-03-01
X-Ray Tube Cathode With Shaped Emitter App 20160035532 - Lemaitre; Sergio ; et al.	2016-02-04
Method and apparatus of differential pumping in an X-ray tube Grant 9,093,247 - Rogers , et al. July 28, 2	2015-07-28
X-ray tube with improved vacuum processing Grant 8,509,385 - Tang , et al. August 13, 2	2013-08-13
Method And Apparatus Of Differential Pumping In An X-ray Tube App 20120121065 - Rogers; Carey Shawn ; et al.	2012-05-17
X-ray Tube With Improved Vacuum Processing App 20120082299 - Tang; Liang ; et al.	2012-04-05
Method and apparatus of differential pumping in an x-ray tube Grant 8,126,115 - Rogers , et al. February 28, 2	2012-02-28
Apparatus For Wide Coverage Computed Tomography And Method Of Constructing Same App 20110176659 - Rogers; Carey Shawn ; et al.	2011-07-21
Method and apparatus of differential pumping in an x-ray tube Grant 7,881,436 - Rogers , et al. February 1, 2	2011-02-01
Method And Apparatus Of Differential Pumping In An X-ray Tube App 20110013750 - Rogers; Carey Shawn ; et al.	2011-01-20
Apparatus for a surface graded x-ray tube insulator and method of assembling same Grant 7,783,012 - Cao , et al. August 24, 2	2010-08-24
Apparatus for a compact HV insulator for x-ray and vacuum tube and method of assembling same Grant 7,702,077 - Cao , et al. April 20, 2	2010-04-20
Antechamber control reducing leak through ferrofluid seals Grant 7,693,264 - Gadre , et al. April 6, 2	2010-04-06
Apparatus For A Surface Graded X-ray Tube Insulator And Method Of Assembling Same App 20100067661 - Cao; Yang ; et al.	2010-03-18
Apparatus For A Compact Hv Insulator For X-ray And Vacuum Tube And Method Of Assembling Same App 20090285360 - Cao; Yang ; et al.	2009-11-19
Method And Apparatus Of Differential Pumping In An X-ray Tube App 20090279667 - Rogers; Carey Shawn ; et al.	2009-11-12
Pumping schemes for X-ray tubes with ferrofluid seals Grant 7,519,158 - Gadre , et al. April 14, 2	2009-04-14
Pumping Schemes For X-ray Tubes With Ferrofluid Seals App 20080137811 - Gadre; Aniruddha Dattatraya ; et al.	2008-06-12
Antechamber Control Reducing Leak Through Ferrofluid Seals App 20080107236 - Gadre; Aniruddha ; et al.	2008-05-08
Method and design for electrical stress mitigation in high voltage insulators in X-ray tubes Grant 7,020,244 - Wilson , et al. March 28, 2	2006-03-28
Method and apparatus for reducing high voltage breakdown events in X-ray tubes Grant 6,775,354 - Roffers August 10, 2	2004-08-10

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