Inventor
Steven C. Hahn
Inventor
Shelby Township, MI, US
Overview
18→
Patents
1984–2017
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
F16DCouplings for transmitting rotation19%
Y10TTechnical subjects covered by former us classification9%
A61BDiagnosis7%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding7%
B60BVehicle wheels5%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles5%
F16CShafts5%
B63HMarine propulsion or steering2%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates2%
PatentTitleYear
9,746,289'Internally reinforced rolling door slat'20177,997,990'Direct torque flow constant velocity joint having collet connection'20117,713,131'Drive assembly and sleeve assembly therefor'20107,677,984'Protected connection interface for direct torque flow constant velocity joint and method thereof'20106,918,637'Wheel end system'20056,736,362'Self aligning linkshaft support bearing bracket'20046,676,226'Wheel end system'20045,560,357'D.C. epidermal biopotential sensing electrode assembly and apparatus for use therewith'19965,415,164'Apparatus and method for screening and diagnosing trauma or disease in body tissues'19955,217,014'Depolarized pre-gelled electrodes'19935,184,979'Quick disconnect constant velocity universal joint'19934,941,862'Quick disconnect constant velocity universal joint'19904,929,203'Marine propeller drive system'19904,832,657'Constant velocity universal joint for transmitting a torque at various angles'19894,753,626'Constant velocity universal joint and apparatus embodying the same'19884,605,384'Self-aligning tripod joint tulip cover and constant velocity joint incorporating same'19864,540,931'Variable transformer and voltage control system'19854,428,018'Low leakage filtered power supply'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to HIGH STOY TECH (1)· patent assignee history
1984–1996Based in East Hampton, NY, US· patent location history
1986–1988Patents assigned to GKN AUTOMOTIVE COMPONENTS INC (2)· patent assignee history
1986–1990Based in Mt. Clemens, MI, US· patent location history
1989–2004Patents assigned to GKN AUTOMOTIVE INC (6)· patent assignee history
1993–1996Patents assigned to BIOFIELD CORP (3)· patent assignee history
1993Based in Rochester, MI, US· patent location history
2004–2011Based in Shelby Township, MI, US· patent location history
2005–2011Patents assigned to GKN DRIVELINE NORTH AMERICA (4)· patent assignee history
2017Based in Brentwood, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GKN AUTOMOTIVE INC | 6 | 1989–2004 |
| GKN DRIVELINE NORTH AMERICA | 4 | 2005–2011 |
| BIOFIELD CORP | 3 | 1993–1996 |
| GKN AUTOMOTIVE COMPONENTS INC | 2 | 1986–1988 |
| HIGH STOY TECH | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shelby Township, MI, US | 6 | 2004–2011 |
| East Hampton, New York, US | 5 | 1984–1996 |
| Mt. Clemens, MI, US | 5 | 1986–1990 |
| Brentwood, California, US | 1 | 2017 |
| Rochester, MI, US | 1 | 1993 |