Inventor
Daniel D. Cottrell, V
Inventor
Commerce Township, MI, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Lprimary
B60LPropulsion of electrically-propelled vehicles14%
B60TVehicle brake control systems or parts thereof14%
F02BInternal-combustion piston engines14%
F16HGearing14%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes14%
G07FCoin-freed or like apparatus14%
H04MTelephonic communication14%
PatentTitleYear
10,018,254Belt drive system for an internal combustion engine20187,922,265'Method for controlling regenerative and hydraulic braking'20115,163,086'Telephone network credit card calling apparatus and method of operation to determine validation and fraudulent use of credit cards in placing telephone calls'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to AT & T BELL LAB (1)· patent assignee history
1992Based in Geneva, IL, US· patent location history
2011Patents assigned to GM GLOBAL TECH OPERATIONS INC (1)· patent assignee history
2011–2018Based in Commerce Township, MI, US· patent location history
2018Patents assigned to GM GLOBAL TECH OPERATIONS LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AT & T BELL LAB | 1 | 1992 |
| GM GLOBAL TECH OPERATIONS INC | 1 | 2011 |
| GM GLOBAL TECH OPERATIONS LLC | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Commerce Township, MI, US | 2 | 2011–2018 |
| Geneva, Illinois, US | 1 | 1992 |