Inventor
Robert J. DeLange
Inventor
St. Francis, WI, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters56%
B66BElevators11%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
G02BOptical elements, systems or apparatus11%
PatentTitleYear
7,960,938'Method and apparatus for determining motor rotation status'20117,268,514'Motor control for stopping a load and detecting mechanical brake slippage'20077,135,833'Motor control for flux-reduced braking'20065,977,741'Method for stabilizing AC induction motor having an open loop inverter'19995,187,419'Electric motor control apparatus and method'19934,996,469'Electric motor controller with bypass contactor'19914,978,897'Motor controller with an improved stopping technique'19904,916,370'Motor stoppage apparatus and method using back emf voltage'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1999Patents assigned to ALLEN BRADLEY CO (5)· patent assignee history
1990–1999Based in St. Francis, WI, US· patent location history
2006–2011Patents assigned to ROCKWELL AUTOMATION TECH INC (3)· patent assignee history
2006–2011Based in Greenfield, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALLEN BRADLEY CO | 5 | 1990–1999 |
| ROCKWELL AUTOMATION TECH INC | 3 | 2006–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Francis, WI, US | 5 | 1990–1999 |
| Greenfield, WI, US | 3 | 2006–2011 |