Inventor
George E. Rollins
Inventor
Chelmsford, MA, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics17%
F16PSafety devices in general11%
G05BControl or regulating systems in general11%
G01BMeasuring length, thickness or similar linear dimensions9%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
H03FAmplifiers6%
H03KPulse technique6%
H04BTransmission6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
B25JManipulators3%
PatentTitleYear
9,798,041'Sensitivity optimization of individual light curtain channels'20179,628,183'Transceiver element for an optical unit of a photoelectric barrier and photoelectric light curtain'20179,599,448'Apparatus and methods for proximity sensing circuitry'20178,046,588'Audit trail in a programmable safety instrumented system via biometric signature(s)'20117,994,777'Apparatus and methods for an inductive proximity sensor'20117,932,809'RFID/biometric area protection'20117,912,376'Non-interfering transmitted-beam pairs'20117,808,235'Apparatus and methods for proximity sensing circuitry'20107,657,814'Optimizing availability and safety by reconfiguring and auto-adjusting redundancy'20107,652,759'Industrial device with adaptive optics'20107,616,095'Electronic token to provide sequential event control and monitoring'20097,566,864'Apparatus and methods for an area scanner having an adjustable mirror and a scan mirror with scan operable to 360 degrees'20097,539,550'Safety versus availability graphical user interface'20097,533,798'Data acquisition and processing system for risk assessment'20097,522,066'Systems and methods that evaluate distance to potential hazards utilizing overlapping sensing zones'20097,508,512'Continuous optical self-alignment for light curtains and optical presence sensors for simplification and maintenance of alignment'20097,442,917'Method for using a single optical emitter/receiver pair for creating a light curtain using LCD+MEMS technology for beam deflection'20087,358,819'Reduced-size sensor circuit'20087,313,502'System and method to combine and weight multiple sensors with overlapping sensing range to create a measurement system utilized in a high integrity or safety environment'20077,232,984'Sensor with improved gain-setting capability'20077,223,957'Sensor including circuitry for recovering time-varying information and removing DC offsets'20075,144,286'Photosensitive switch with circuit for indicating malfunction'19924,494,088'Oscillator with capacitor charged and discharged by current proportional to a reference current'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Based in Holden, MA, US· patent location history
1992Patents assigned to ALLEN BRADLEY CO (1)· patent assignee history
1992–2017Based in Chelmsford, MA, US· patent location history
2007–2017Patents assigned to ROCKWELL AUTOMATION TECH INC (20)· patent assignee history
2017Patents assigned to CEDES SAFETY & AUTOMATION AG (1)· patent assignee history
2017Patents assigned to CHEN WEIHUA (1)· patent assignee history
2017Patents assigned to KULKARNI PRACHI S (1)· patent assignee history
2017Based in Lowell, ME, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROCKWELL AUTOMATION TECH INC | 20 | 2007–2017 |
| ALLEN BRADLEY CO | 1 | 1992 |
| CEDES SAFETY & AUTOMATION AG | 1 | 2017 |
| CHEN WEIHUA | 1 | 2017 |
| KULKARNI PRACHI S | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chelmsford, Massachusetts, US | 21 | 1992–2017 |
| Lowell, ME, US | 1 | 2017 |
| Holden, Massachusetts, US | 1 | 1985 |