Inventor
Darek C. Barefoot
Inventor
Grand Junction, CO, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Fprimary
F16FSprings29%
B62KCycles27%
B60GVehicle suspension arrangements10%
B62MRider propulsion of wheeled vehicles or sledges10%
F16HGearing8%
B60BVehicle wheels4%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology4%
F16GBelts, cables, or ropes, predominantly used for driving purposes4%
B62JCycle saddles or seats2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
11,091,218Ramp control for a front fork of a bicycle202111,054,014Chain ring with teeth oppositely laterally engaging a drive chain202111,008,062Suspension including coil spring and ambient air cushion202110,563,746Alternating tooth chain ring202010,549,814High efficiency damper for bicycle suspension202010,500,915Shock absorber incorporating a floating piston201910,451,166Chain ring with teeth oppositely laterally engaging a drive chain201910,435,105Ramp control for a front fork of a bicycle201910,156,279Annular valve201810,145,436Rear suspension having an air component and an oil component20189,981,712Shock absorber incorporating a floating piston20189,903,436'High efficiency damper for bicycle suspension'20189,731,574'Shock absorber gas spring seal'20179,669,899'Alternating tooth chain ring'20179,573,649'Ramp control for a front fork of a bicycle'20179,322,449'Valve for shock absorbers'20169,199,689'Wheel axle assembly'20158,820,853'Wheel axle assembly'20148,727,080'Magnetic valve for shock absorbers'20148,104,591'Magnetic valve for shock absorbers'20126,631,915'Bicycle fork travel limiter'20036,581,919'Shock absorbing seat post'20034,953,425'Bicycle pedal attachment'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to BAREFOOT DAREK (1)· patent assignee history
1990–2021Based in Grand Junction, CO, US· patent location history
2003–2021Patents assigned to EKO SPORT INC (22)· patent assignee history
2012–2014Patents assigned to BAREFOOT DAREK C (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EKO SPORT INC | 22 | 2003–2021 |
| BAREFOOT DAREK Cself | 3 | 2012–2014 |
| BAREFOOT DAREKself | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Grand Junction, CO, US | 23 | 1990–2021 |