Inventor
Colin B. Willmott
Inventor
Buffalo Grove, IL, US
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E05Yprimary
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof25%
E05FDevices for moving wings into open or closed position23%
E05DHinges or suspension devices for doors, windows or wings9%
G05BControl or regulating systems in general9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
G07CTime or attendance registers5%
H02HEmergency protective circuit arrangements5%
G08CTransmission systems for measured values, control or similar signals3%
H01HElectric switches3%
G08GTraffic control systems1%
PatentTitleYear
10,138,671Barrier operator feature enhancement20189,122,254'Barrier operator feature enhancement'20157,679,301'Movable barrier operator auto-force setting method and apparatus'20107,432,676'Barrier movement operator having obstruction detection'20087,205,735'Barrier movement operator having obstruction detection'20077,164,246'Movable barrier operator'20077,132,813'System and method for adapting to barrier nuisances and obstructions'20067,119,509'System and method for automatically requiring secondary safety sensors'20067,019,478'Movable barrier operator auto-force setting method and apparatus'20066,806,672'Movable barrier operator'20046,777,902'Asymmetric drive motor for a barrier operator or the like'20046,774,594'Asymmetric drive motor for a barrier operator or the like'20046,744,231'Movable barrier operator'20046,737,821'Barrier operator with fault control'20046,720,747'Moveable barrier operator'20046,710,560'Movable barrier operator'20046,683,431'Movable barrier operator'2004RE037986'Coding system for multiple transmitters and a single receiver'20036,456,022'Movable barrier operator'20026,417,637'Movable barrier operator'20026,400,112'Bi-directional pass-point system for controlling the operation of movable barriers'20026,278,249'Movable barrier operator'20016,246,196'Movable barrier operator'20016,239,569'Movable barrier operator'20016,229,276'Movable barrier operator'20016,172,475'Movable barrier operator'20016,133,703'Bi-directional pass-point system for controlling the operation of movable barriers'2000RE036703'Coding system for multiple transmitters and a single receiver for a garage door opener'20005,998,950'Garage door operator safety apparatus'19995,841,253'Garage door operator with motor control circuit fault detection'19985,803,149'Jack shaft garage door operator'19985,684,372'Garage door operator safety apparatus'19975,656,900'Retro-reflective infrared safety sensor for garage door operators'19975,635,913'Remote actuating apparatus with long and short operating codes'19975,576,701'Remote actuating apparatus comprising keypad controlled transmitter'1996RE035364'Coding system for multiple transmitters and a single receiver for a garage door opener'19964,981,444'Strain relief assembly'19914,794,731'Twin sprocket garage door opener'19894,750,118'Coding system for multiple transmitters and a single receiver for a garage door opener'19884,716,301'Digital light control'1987RE029525'Digital radio control'19784,064,404'Accessory for a garage door opener'19774,037,201'Digital radio control'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1988Patents assigned to CHAMBERLAIN MFG CORP (4)· patent assignee history
1977–1978Based in Des Plaines, IL, US· patent location history
1987–2018Based in Buffalo Grove, IL, US· patent location history
1989–2018Patents assigned to CHAMBERLAIN GROUP INC (37)· patent assignee history
1997–1998Based in Landsweiler, DE· patent location history
2004Patents assigned to CHAMBERLIN GROUP INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHAMBERLAIN GROUP INC | 37 | 1989–2018 |
| CHAMBERLAIN MFG CORP | 4 | 1977–1988 |
| CHAMBERLIN GROUP INC | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Buffalo Grove, Illinois, US | 38 | 1987–2018 |
| Des Plaines, Illinois, US | 3 | 1977–1978 |
| Landsweiler, DE | 2 | 1997–1998 |