Inventor
Gerald E. Lutzke
Inventor
Sheboygan, WI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E01Hprimary
E01HStreet cleaning50%
F03GSpring, weight, inertia or like motors17%
F16HGearing17%
H01HElectric switches17%
PatentTitleYear
11,094,477Tensioning gear mechanism for tensioning a stored-energy spring of a spring-type stored-energy drive20216,050,008'Vehicle mounted accessory assembly'20005,806,214'Support wheels mounted in the vicinity of the center of gravity of a snowplow'19985,806,213'Rotatable support wheels for a snowplow'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2000Patents assigned to DOUGLAS DYNAMICS LLC (3)· patent assignee history
1998–2000Based in Sheboygan, WI, US· patent location history
2021Patents assigned to SIEMENS ENERGY GLOBAL GMBH & CO KG (1)· patent assignee history
2021Based in Berlin, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOUGLAS DYNAMICS LLC | 3 | 1998–2000 |
| SIEMENS ENERGY GLOBAL GMBH & CO KG | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sheboygan, WI, US | 3 | 1998–2000 |
| Berlin, DE | 1 | 2021 |