Stephen R. Phillips — 12 Patents at Luxtron

Stephen R. Phillips has been granted 12 US patents while listed as an inventor at Luxtron. The first was granted in 1981 and the most recent in July 2024. Stephen R. Phillips ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Stephen R. Phillips in Walnut Creek, CA, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12024685	High pressure ethane cracking with small diameter furnace tubes	George Stephens, David B. Spicer, Gregory E. Yeo	2024-07-02	$1,316,170,000
8373394	System and method for power factor correction	Henry N. Huta, Robert E. Morgan	2013-02-12
8134346	System and method for power factor correction	Henry N. Huta, Robert E. Morgan	2012-03-13
D542143	Container	Susan Logcher, Ivan Da Barp	2007-05-08
5881196	Waveguide security device	—	1999-03-09
5202677	Display apparatus using thermochromic material	Robert Parker	1993-04-13
5031205	Auto response phone system	—	1991-07-09
4897541	Sensors for detecting electromagnetic parameters utilizing resonating elements	—	1990-01-30
D291350	Portable electric heater	Wilfred M. Sherman, Vernon M. Ellis	1987-08-11
4678905	Optical sensors for detecting physical parameters utilizing vibrating piezoelectric elements	—	1987-07-07
4621929	Fiber optic thermal anemometer	—	1986-11-11
4281938	Automatic print wheel element changing mechanism for a serial printer	—	1981-08-04

Stephen R. Phillips — 12 Patents

Issued Patents All Time

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