Inventor
Stephen A. Debelius
Inventor
New Freedom, PA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B25Fprimary
B25FCombination or multi-purpose tools not otherwise provided for17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
B23BTurning13%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding9%
A61KPreparations for medical, dental or toiletry purposes4%
B25CHand-held nailing or stapling tools4%
B25DPercussive tools4%
F16HGearing4%
H01HElectric switches4%
PatentTitleYear
8,047,083'Trigger assembly including a flexible bend sensor'20117,588,398'Tool chuck with power take off and dead spindle features'20097,537,421'Dead spindle PTO with compliant grounding mechanism'20097,328,904'Power tool with power-take-off driven pusher-type chuck having device for reducing tension in pusher screw'20087,314,097'Hammer drill with a mode changeover mechanism'20087,036,406'Impact wrench having an improved anvil to square driver transition'20066,707,198'Armature shaft retainer'20046,311,787'Power driven rotary device'20015,497,932'Manually operated fastening device'19964,474,077'Housing retaining means for portable power tools and method of assembly therefor'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2009Patents assigned to BLACK & DECKER INC (8)· patent assignee history
1984Based in Millers, MD, US· patent location history
1996Patents assigned to EMHART INC (1)· patent assignee history
1996–2008Based in Phoenix, MD, US· patent location history
2006Based in Mission, TX, US· patent location history
2008–2011Based in New Freedom, PA, US· patent location history
2011Patents assigned to BLACK & DECKER (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BLACK & DECKER INC | 8 | 1984–2009 |
| BLACK & DECKER | 1 | 2011 |
| EMHART INC | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| New Freedom, Pennsylvania, US | 4 | 2008–2011 |
| Phoenix, Maryland, US | 4 | 1996–2008 |
| Mission, Texas, US | 1 | 2006 |
| Millers, Maryland, US | 1 | 1984 |