Inventor
David C. Swanson
Inventor
State College, PA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G08Bprimary
G08BSignalling systems, e.g. personal calling systems23%
G10HElectrophonic musical instruments15%
A01BSoil working in agriculture or forestry8%
A47JKitchen equipment8%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials8%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like8%
E02DFoundations8%
H04MTelephonic communication8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
LOC278%
PatentTitleYear
D0820516Apparatus for filling and packing pre-formed conical cigarette wrappers20189,264,524'Microphone array transducer for acoustic musical instrument'20168,884,150'Microphone array transducer for acoustical musical instrument'20147,882,861'Vacuum storage system'20117,508,304'Networked multiband waveguide intrusion detection and localization sensor'20096,731,210'System and method for detecting, localizing, or classifying a disturbance using a waveguide sensor system'20046,122,601'Compacted material density measurement and compaction tracking system'20004,871,997'Proximity sensor apparatus'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Based in Moraine, OH, US· patent location history
2000–2016Patents assigned to PENN STATE RES FOUND (5)· patent assignee history
2000–2016Based in State College, PA, US· patent location history
2011Patents assigned to SWANSON DAVID C (1)· patent assignee history
2011Based in Webster, WI, US· patent location history
2014Patents assigned to SWANSON DAVID CARL (1)· patent assignee history
2018Patents assigned to MARSHALL RENEE (1)· patent assignee history
2018Patents assigned to SWANSON DAVID (1)· patent assignee history
2018Based in Grass Valley, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PENN STATE RES FOUND | 5 | 2000–2016 |
| MARSHALL RENEE | 1 | 2018 |
| SWANSON DAVIDself | 1 | 2018 |
| SWANSON DAVID Cself | 1 | 2011 |
| SWANSON DAVID CARLself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| State College, Pennsylvania, US | 5 | 2000–2016 |
| Grass Valley, California, US | 1 | 2018 |
| Webster, WI, US | 1 | 2011 |
| Moraine, OH, US | 1 | 1989 |