Inventor
Rudolph W. Janda
Inventor
Spring Grove, IL, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks21%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
LOC1014%
G04GElectronic time-pieces7%
H05BElectric heating7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
PatentTitleYear
6,121,889'In-wall electronic timer'2000D0409505'Front housing for an electronic timer'1999D0408303'In-wall electronic timer'19995,894,175'Photo-control apparatus and circuit'19995,221,891'Control circuit for a solar-powered rechargeable power source and load'19935,086,267'Control circuit for a solar-powered rechargeable power source and load'19925,041,952'Control circuit for a solar-powered rechargeable power source and load'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2000Patents assigned to INTERMATIC INC (5)· patent assignee history
1991–2000Based in Spring Grove, IL, US· patent location history
1999Patents assigned to INTERMATIC INCORPORATED (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INTERMATIC INC | 5 | 1991–2000 |
| INTERMATIC INCORPORATED | 2 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spring Grove, Illinois, US | 7 | 1991–2000 |