Inventor
Donald E. Stephens
Inventor
Santa Cruz, CA, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1024%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals10%
G05DSystems for controlling or regulating non-electric variables7%
B24BMachines, devices, or processes for grinding or polishing5%
B82YSpecific uses or applications of nanostructures5%
G11BInformation storage based on relative movement between record carrier and transducer5%
B01DSeparation2%
G01FMeasuring volume, volume flow, mass flow or liquid level2%
PatentTitleYear
6,625,835'Disk cascade scrubber'20036,625,901'Apparatus and method for drying a thin substrate'20036,615,510'Wafer drying apparatus and method'20036,588,043'Wafer cascade scrubber'20036,477,786'Apparatus for drying batches of disks'20026,446,355'Disk drying apparatus and method'20026,430,841'Apparatus for drying batches of wafers'20026,345,404'Wafer cleaning apparatus'20026,143,089'Method of cleaning semiconductor wafers and other substrates'20005,875,507'Wafer cleaning apparatus'19995,490,809'System and method for texturing magnetic data storage disks'19965,486,134'System and method for texturing magnetic data storage disks'19964,926,702'Sample presence detector for automatic sample injector'19904,534,941'Analytical instrument thermoelectric temperature regulator'19854,518,700'Method and apparatus for regulating the temperature of an analytical instrument reactor'19854,438,070'Packed column thermal reactor for an analytical instrument'19844,372,150'Flow monitoring method and apparatus'19834,294,799'Temperature regulating apparatus'19814,188,464'Bipolar electrode with intermediate graphite layer and polymeric layers'19804,012,296'Electrode for electrolytic processes'19773,969,217'Electrolytic anode'19763,950,240'Anode for electrolytic processes'19763,941,487'Colorimetric fluid analyzer'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1990Patents assigned to BECKMAN INSTRUMENTS INC (7)· patent assignee history
1976–1980Patents assigned to HOOKER CHEMICALS PLASTICS CORP (4)· patent assignee history
1976–1990Based in Palo Alto, CA, US· patent location history
1976–1980Based in Grand Island, NY, US· patent location history
1996–2003Patents assigned to OLIVER DESIGN INC (10)· patent assignee history
1996–2002Based in Westlake Village, CA, US· patent location history
2000–2003Patents assigned to LAM RES CORP (8)· patent assignee history
2002–2003Based in Santa Cruz, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OLIVER DESIGN INC | 10 | 1996–2003 |
| LAM RES CORP | 8 | 2000–2003 |
| BECKMAN INSTRUMENTS INC | 7 | 1976–1990 |
| HOOKER CHEMICALS PLASTICS CORP | 4 | 1976–1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Cruz, California, US | 7 | 2002–2003 |
| Palo Alto, California, US | 7 | 1976–1990 |
| Westlake Village, California, US | 5 | 1996–2002 |
| Grand Island, New York, US | 4 | 1976–1980 |