Inventor
Stephen R. Phillips
Inventor
Walnut Creek, CA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Dprimary
G01DMeasuring not specially adapted for a specific variable8%
G01KMeasuring temperature8%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
G05FSystems for regulating electric or magnetic variables8%
A61BDiagnosis4%
B41JTypewriters4%
B41MPrinting, duplicating, marking, or copying processes4%
G01FMeasuring volume, volume flow, mass flow or liquid level4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G01RMeasuring electric variables4%
PatentTitleYear
11,094,482Control devices having independently suspended buttons for controlled actuation20218,373,394'System and method for power factor correction'20138,134,346'System and method for power factor correction'2012D0542143'Container'20075,881,196'Waveguide security device'19995,202,677'Display apparatus using thermochromic material'19935,031,205'Auto response phone system'19914,897,541'Sensors for detecting electromagnetic parameters utilizing resonating elements'1990D0291350'Portable electric heater'19874,678,905'Optical sensors for detecting physical parameters utilizing vibrating piezoelectric elements'19874,621,929'Fiber optic thermal anemometer'19864,281,938'Automatic print wheel element changing mechanism for a serial printer'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–2013Patents assigned to PHILLIPS STEPHEN R (3)· patent assignee history
1981–1999Based in Walnut Creek, CA, US· patent location history
1986–1990Patents assigned to LUXTRON CORP (3)· patent assignee history
1991Based in Bayshore, NY, US· patent location history
2007Based in Boston, MA, US· patent location history
2012–2013Patents assigned to ECOEARTHENERGY INC (2)· patent assignee history
2012–2013Patents assigned to HUTA HENRY N (2)· patent assignee history
2012–2013Patents assigned to MORGAN ROBERT E (2)· patent assignee history
2012–2013Based in Fairport, NY, US· patent location history
2021Based in Bethlehem, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUXTRON CORP | 3 | 1986–1990 |
| PHILLIPS STEPHEN Rself | 3 | 1981–2013 |
| ECOEARTHENERGY INC | 2 | 2012–2013 |
| HUTA HENRY N | 2 | 2012–2013 |
| MORGAN ROBERT E | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Walnut Creek, California, US | 6 | 1981–1999 |
| Fairport, New York, US | 2 | 2012–2013 |
| Bethlehem, CT, US | 1 | 2021 |
| Boston, Massachusetts, US | 1 | 2007 |
| Bayshore, New York, US | 1 | 1991 |