Inventor
Zachary D. Krapfl
Inventor
Boulder, CO, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing67%
B62KCycles11%
B62MRider propulsion of wheeled vehicles or sledges11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
8,469,381'Bicycle'20138,062,187'Releasable connection mechanism for variable stride exercise devices'20117,922,635'Adjustable-load unitary multi-position bench exercise unit'20117,785,235'Variable stride exercise device'20107,758,473'Variable stride exercise device'20107,736,278'Releasable connection mechanism for variable stride exercise devices'20107,462,134'Variable stride exercise device'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2011Patents assigned to NAUTILUS INC (6)· patent assignee history
2008–2011Based in Rollinsville, CO, US· patent location history
2010–2011Based in Boulder, CO, US· patent location history
2011Patents assigned to KOWALEWSKI CHESTER F (1)· patent assignee history
2013Patents assigned to CYCLING SPORTS GROUP INC (1)· patent assignee history
2013Patents assigned to DODMAN CHRISTOPHER P (1)· patent assignee history
2013Patents assigned to EAGLEMAN ERIK PRESTON (1)· patent assignee history
2013Based in Paonia, CO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAUTILUS INC | 6 | 2008–2011 |
| CYCLING SPORTS GROUP INC | 1 | 2013 |
| DODMAN CHRISTOPHER P | 1 | 2013 |
| EAGLEMAN ERIK PRESTON | 1 | 2013 |
| KOWALEWSKI CHESTER F | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boulder, CO, US | 3 | 2010–2011 |
| Rollinsville, CO, US | 3 | 2008–2011 |
| Paonia, CO, US | 1 | 2013 |