Inventor
Robert E. Dietz
Inventor
Cedar Rapids, IA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches36%
H02HEmergency protective circuit arrangements36%
B67DDispensing, delivering or transferring liquids, not otherwise provided for9%
G01FMeasuring volume, volume flow, mass flow or liquid level9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
D0310847'Message holder'19904,197,567'Portable ground fault circuit interrupter'19804,084,203'Ground fault receptacle'19784,013,929'Multiple duty components of a ground fault receptacle'19774,004,715'Fluid dispensing apparatus'19773,949,336'Sequential resetting circuit interrupter'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1978Patents assigned to SQUARE D CO (3)· patent assignee history
1976–1980Based in Cedar Rapids, IA, US· patent location history
1977Patents assigned to AUTO CONTROL TAP OF CANADA LIM (1)· patent assignee history
1977–1990Based in Wellesley, CA· patent location history
1980Patents assigned to SQUARE D (1)· patent assignee history
1990Patents assigned to DIETZ ROBERT E (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SQUARE D CO | 3 | 1976–1978 |
| AUTO CONTROL TAP OF CANADA LIM | 1 | 1977 |
| DIETZ ROBERT Eself | 1 | 1990 |
| SQUARE D | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cedar Rapids, IA, US | 4 | 1976–1980 |
| Wellesley, CA | 2 | 1977–1990 |