Inventor
Steven L. Hayslett
Inventor
Troy, MI, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Mprimary
B62MRider propulsion of wheeled vehicles or sledges23%
F16HGearing11%
Y02TClimate change mitigation technologies related to transportation11%
B60LPropulsion of electrically-propelled vehicles7%
H02KDynamo-electric machines7%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles5%
B60WConjoint control of vehicle sub-units of different type or different function5%
B62KCycles5%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing2%
PatentTitleYear
10,155,568Internal gear hub with selectable fixed gear for electric bike regen201810,131,402Integrated mid drive electric bicycle propulsion system201810,059,399Mid drive electric bicycle powerflow with planetary gear overdrive and stepped pinion planetary201810,023,264Cooling method for E-bike power and energy systems20189,855,994'Electric bike powertrain compound planetary gear set and ring gear pedal torque reaction measurement'20189,847,701Determination of rotor fatigue in an electric machine assembly20179,802,673'Electric bike powertrain with dual planetary gear sets and ring gear pedal reaction torque measurement'20179,803,750'Electric bike powertrain with compound planetary'20179,796,277'Electric bike extended range battery power electronics and control'20179,764,796'Electric bike optical shift detection and control'20179,637,197'Dynamic inertia compensation and pedal effort transformation for electric bike'20179,242,576'Method and apparatus for controlling an electric machine'20168,674,574'Rotor assembly with cooling mechanism'20148,251,166'Hybrid powertrain with assisted starting and method of starting an engine'20126,637,586'Accumulating pallet conveyor and storage system'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Based in McLean, VA, US· patent location history
2012–2016Patents assigned to GM GLOBAL TECH OPERATIONS INC (3)· patent assignee history
2012–2014Patents assigned to HAYSLETT STEVEN LEE (2)· patent assignee history
2012Patents assigned to HOLMES ALAN G (1)· patent assignee history
2012–2018Based in Troy, MI, US· patent location history
2014Patents assigned to BOSTWICK PETER (1)· patent assignee history
2017–2018Patents assigned to GM GLOBAL TECH OPERATIONS LLC (11)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS LLC | 11 | 2017–2018 |
| GM GLOBAL TECH OPERATIONS INC | 3 | 2012–2016 |
| HAYSLETT STEVEN LEEself | 2 | 2012–2014 |
| BOSTWICK PETER | 1 | 2014 |
| HOLMES ALAN G | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Troy, MI, US | 14 | 2012–2018 |
| McLean, Virginia, US | 1 | 2003 |