Inventor
Stephen W. Steadings
Inventor
Seneca, SC, US
Overview
33→
Patents
1988–2014
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Bprimary
B23BTurning30%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests30%
Y10TTechnical subjects covered by former us classification30%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding5%
A47LDomestic washing or cleaning2%
LOC151%
PatentTitleYear
8,727,681'Locking chuck'20148,371,779'Locking chuck'20137,976,253'Locking chuck'20117,690,871'Locking chuck'20107,452,168'Chuck'20087,237,988'Locking chuck'20077,160,065'Chuck with quick change'20077,128,503'Locking chuck'20067,040,630'Chuck with quick change'20067,018,146'Chuck'20066,832,764'Locking chuck'20046,736,410'Chuck'20046,722,668'Chuck having quick change mechanism'20046,688,610'Chuck with quick change'20046,536,781'Chuck'20036,533,291'Chuck having quick change mechanism'20036,435,521'Locking chuck'20026,367,815'Chuck'20026,279,918'Chuck'20016,179,301'Locking chuck'20016,073,939'Locking chuck'20006,068,266'Chuck'20005,816,582'Chuck'19985,741,016'Chuck'19985,709,392'Tool chuck'1998D0386193'Chuck'19975,501,473'Chuck'1996D0366052'Chuck'19965,348,318'Chuck'19945,348,317'Chuck'1994D0312337'Vacuum cleaner'19904,811,450'Vacuum cleaner with improved auxiliary cleaning'19894,754,520'Automatically adjustable floating cleaner head'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2014Based in Seneca, SC, US· patent location history
1989–1990Patents assigned to RYOBI MOTOR PRODUCTS CORP (2)· patent assignee history
1994Patents assigned to JACOBS CHUCK TECH CORP (2)· patent assignee history
1996–2004Patents assigned to POWER TOOL HOLDERS INC (15)· patent assignee history
1996–1997Patents assigned to POWER TOOL HOLDERS INCORPORATED (2)· patent assignee history
2006–2013Patents assigned to JACOBS CHUCK MFG CO (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POWER TOOL HOLDERS INC | 15 | 1996–2004 |
| JACOBS CHUCK MFG CO | 9 | 2006–2013 |
| JACOBS CHUCK TECH CORP | 2 | 1994 |
| POWER TOOL HOLDERS INCORPORATED | 2 | 1996–1997 |
| RYOBI MOTOR PRODUCTS CORP | 2 | 1989–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seneca, SC, US | 33 | 1988–2014 |