Inventor
David Hess
Inventor
Beaverton, OR, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables35%
B81BMicrostructural devices or systems, e.g. micromechanical devices12%
G02BOptical elements, systems or apparatus12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
F04BPositive-displacement machines for liquids6%
F16NLubricating6%
G01BMeasuring length, thickness or similar linear dimensions6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
PatentTitleYear
11,085,581Lubricating-grease pump and method for recovery of leakage grease of a lubricating-grease pump202110,365,323Probe systems and methods for automatically maintaining alignment between a probe and a device under test during a temperature change20199,435,858'Focusing optical systems and methods for testing semiconductors'20167,940,069'System for testing semiconductors'20117,898,281'Interface for testing semiconductors'20117,656,172'System for testing semiconductors'20107,535,247'Interface for testing semiconductors'20097,010,188'Electrode configuration for piano MEMs micromirror'20066,968,101'Electrode configuration for piano MEMs micromirror'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2006Patents assigned to JDS UNIPHASE INC (2)· patent assignee history
2005–2006Based in Gatineau, CA· patent location history
2009–2019Patents assigned to CASCADE MICROTECH INC (5)· patent assignee history
2009–2019Based in Beaverton, OR, US· patent location history
2011Patents assigned to CASCADE MIRCOTECH INC (1)· patent assignee history
2016Patents assigned to ANDREWS PETER (1)· patent assignee history
2019Patents assigned to FORMFACTOR BEAVERTON INC (1)· patent assignee history
2021Based in Ludwigshafen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CASCADE MICROTECH INC | 5 | 2009–2019 |
| JDS UNIPHASE INC | 2 | 2005–2006 |
| ANDREWS PETER | 1 | 2016 |
| CASCADE MIRCOTECH INC | 1 | 2011 |
| FORMFACTOR BEAVERTON INC | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beaverton, OR, US | 6 | 2009–2019 |
| Gatineau, CA | 2 | 2005–2006 |
| Ludwigshafen, DE | 1 | 2021 |