Lewis; David W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lewis; David W..The latest application filed is for "swirl ring for a plasma arc torch".

Company Profile

0.15.5

Lewis; David W. - Uniontown OH
Lewis; David W. - Pleasant Valley NY
Lewis; David W. - San Francisco CA
Lewis, David W. - Charlottesville VA
Lewis; David W. - Ivy VA
Lewis; David W. - Newtown PA
Lewis; David W. - Sacramento CA
Lewis; David W. - Lawrenceville NJ
Lewis; David W. - Richardson TX

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

Patent Activity

Patent	Date
Swirl ring for a plasma arc torch Grant 10,645,791 - Kulakowski , et al.	2020-05-05
Swirl Ring for a Plasma Arc Torch App 20180184512 - Kulakowski; Dennis ; et al.	2018-06-28
Graphical method and product to assign physical attributes to entities in a high level descriptive language used for VLSI chip design Grant 8,954,914 - Badar , et al. February 10, 2	2015-02-10
Graphical Method And Product To Assign Physical Attributes To Entities In A High Level Descriptive Language Used For Vlsi Chip Design App 20140298278 - Badar; John T. ; et al.	2014-10-02
Automatic positioning of gate array circuits in an integrated circuit design Grant 8,276,105 - Keinert , et al. September 25, 2	2012-09-25
Automatic Positioning of Gate Array Circuits in an Integrated Circuit Design App 20110072407 - Keinert; Joachim ; et al.	2011-03-24
Photoluminescent coating formulation, method of application, and coated articles Grant 7,713,590 - Landry , et al. May 11, 2	2010-05-11
Photoluminescent coating formulation, method of application, and coated articles App 20060046093 - Landry; Kimberly Ann ; et al.	2006-03-02
Motor/ generator using helium for thermal cooling App 20020047340 - Lewis, David W.	2002-04-25
Flywheel storage system with improved magnetic bearings Grant 5,398,571 - Lewis March 21, 1	1995-03-21
Magnetic bearings for pumps, compressors and other rotating machinery Grant 5,355,042 - Lewis , et al. October 11, 1	1994-10-11
Magnetic bearing systems Grant 5,347,190 - Lewis , et al. September 13, 1	1994-09-13
Distribution system for downflow reactors Grant 4,836,989 - Aly , et al. June 6, 1	1989-06-06
Vibration limiting of rotating machinery through active control means Grant 4,643,592 - Lewis , et al. February 17, 1	1987-02-17
Cargo carrier Grant 4,267,948 - Lewis May 19, 1	1981-05-19
Porous catheters Grant 4,186,745 - Lewis , et al. February 5, 1	1980-02-05
Process for in situ retorting of oil shale Grant 4,018,280 - Daviduk , et al. April 19, 1	1977-04-19
Wellbore Safety Valve Grant 3,885,627 - Berry , et al. May 27, 1	1975-05-27
Thickness gauge system Grant 3,866,115 - Lewis February 11, 1	1975-02-11
Wellbore Safety Valve Grant 3,739,845 - Berry , et al. June 19, 1	1973-06-19

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