Inventor
David Bullen
Inventor
Urbana, IL, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Qprimary
G01QScanning-probe techniques or apparatus12%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
B01LChemical or physical laboratory apparatus for general use7%
B82YSpecific uses or applications of nanostructures7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G01RMeasuring electric variables7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
Y10TTechnical subjects covered by former us classification7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
PatentTitleYear
10,281,343Method and apparatus for measuring a peak load20197,737,045'Microfabricated micro fluid channels'20107,402,849'Parallel, individually addressable probes for nanolithography'20087,351,303'Microfluidic systems and components'20087,247,895'Electrostatic nanolithography probe actuation device and method'20077,217,396'Microfabricated micro fluid channels'20077,081,624'Scanning probe microscopy probes and methods'20066,867,443'Parallel, individually addressable probes for nanolithography'20056,642,129'Parallel, individually addressable probes for nanolithography'20034,677,877'Accessory drive with band brake'19874,662,861'Two speed accessory drive'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to FRAM LTD CANADA (2)· patent assignee history
1987Based in Ottowa, CA· patent location history
2003–2010Patents assigned to UNIV ILLINOIS (8)· patent assignee history
2003–2010Based in Urbana, IL, US· patent location history
2007Based in Pittsburg, PA, US· patent location history
2008Based in Pittsburgh, PA, US· patent location history
2019Patents assigned to US DEPT ENERGY (1)· patent assignee history
2019Patents assigned to US ENERGY (1)· patent assignee history
2019Based in North Huntingdon, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV ILLINOIS | 8 | 2003–2010 |
| FRAM LTD CANADA | 2 | 1987 |
| US DEPT ENERGY | 1 | 2019 |
| US ENERGY | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Urbana, Illinois, US | 6 | 2003–2010 |
| North Huntingdon, Pennsylvania, US | 1 | 2019 |
| Pittsburgh, Pennsylvania, US | 1 | 2008 |
| Pittsburg, Pennsylvania, US | 1 | 2007 |
| Ottowa, CA | 1 | 1987 |