Inventor
John T. O'Brien
Inventor
Shaker Heights, OH, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
G01VGeophysics14%
B01FMixing, e.g. dissolving, emulsifying or dispersing11%
H10HInorganic light-emitting semiconductor devices having potential barriers8%
E21BEarth or rock drilling6%
B08BCleaning in general3%
B27BSaws for wood or similar material3%
B27LRemoving bark or vestiges of branches3%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
E03FSewers3%
PatentTitleYear
10,901,991Static query optimization20217,445,373'Method for mixing a fluid dispersion disposed in a container having either a cylindrical or square shape'20087,325,968'Structure for holding either a cylindrical or square shaped container during a mixing operation'20087,322,334'Apparatus and method for starting a chain saw'20087,136,639'Sub base station and user equipment implementations'20067,077,560'Structure for holding either a cylindrical or square shaped container during a mixing operation'20066,817,751'Apparatus and method for mixing a fluid dispersion disposed in a container having either a cylindrical or a square shape'20046,627,469'Methods for forming semiconductor lenses on substrates'20036,399,407'Methods of electrostatic control in semiconductor devices'20026,215,134'Semiconductor surface lenses and shaped structures'20016,088,376'Vertical-cavity-surface-emitting semiconductor devices with fiber-coupled optical cavity'20005,636,648'Mobile rotator jet sewer cleaner'1997D0337885'Combined key chain and coin holder'19935,171,943'Tubewave damper probe for seismic applications'19924,958,333'Shielding for seismic cables'19904,610,309'Downhole tool'19864,561,300'Temperature logging while drilling'19854,534,020'Apparatus and method for detecting seismic waves'19854,310,039'Wood splitter'19824,300,220'Three component detector and housing for same'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1986Patents assigned to PHILLIPS PETROLEUM CO (4)· patent assignee history
1981–1986Based in Bartlesville, OK, US· patent location history
1982–1992Patents assigned to BRIEN JOHN T O (2)· patent assignee history
1982–2008Based in Webster, WI, US· patent location history
1990–1992Based in San Antonio, TX, US· patent location history
1992Patents assigned to BALOGH WILLIAM T (1)· patent assignee history
2000–2003Patents assigned to CALIFORNIA INST OF TECHN (4)· patent assignee history
2000–2003Based in Pasadena, CA, US· patent location history
2004–2008Patents assigned to SHERWIN WILLIAMS CO (4)· patent assignee history
2004–2008Based in Shaker Heights, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CALIFORNIA INST OF TECHN | 4 | 2000–2003 |
| PHILLIPS PETROLEUM CO | 4 | 1981–1986 |
| SHERWIN WILLIAMS CO | 4 | 2004–2008 |
| BRIEN JOHN T O | 2 | 1982–1992 |
| BALOGH WILLIAM T | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shaker Heights, OH, US | 4 | 2004–2008 |
| Pasadena, California, US | 4 | 2000–2003 |
| Bartlesville, OK, US | 4 | 1981–1986 |
| Webster, WI, US | 2 | 1982–2008 |
| San Antonio, Texas, US | 2 | 1990–1992 |