Inventor
Douglas A. Hodgson
Inventor
Cary, NC, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Fprimary
F16FSprings55%
H01JElectric discharge tubes or discharge lamps18%
B64DEquipment for fitting in or to aircraft9%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like9%
G10KSound-producing devices9%
PatentTitleYear
6,672,575'Surface effect damper'20045,716,162'Dual-stage mounting system for vibratory compactor drum'19985,526,292'Broadband noise and vibration reduction'19965,174,552'Fluid mount with active vibration control'19925,029,823'Vibration isolator with electrorheological fluid controlled dynamic stiffness'19914,969,632'Mount with adjustable length inertia track'19904,733,758'Tunable electrorheological fluid mount'19884,720,087'Inertia type fluid mount using electrorheological and other fluid'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2004Patents assigned to LORD CORP (8)· patent assignee history
1988–1992Based in Cary, NC, US· patent location history
1996–2004Based in Fuquay-Varina, NC, US· patent location history
1998Patents assigned to INGERSOLL RAND CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LORD CORP | 8 | 1988–2004 |
| INGERSOLL RAND CO | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cary, NC, US | 5 | 1988–1992 |
| Fuquay-Varina, NC, US | 3 | 1996–2004 |