Inventor
David A. Parks
Inventor
Baden, PA, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches57%
Y10TTechnical subjects covered by former us classification11%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges6%
F16CShafts6%
F16HGearing6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
G05GControl devices or systems insofar as characterised by mechanical features only3%
H01RElectrically-conductive connections3%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines3%
PatentTitleYear
10,428,917Shaft assemblies suitable for circuit breakers and related circuit breakers20199,377,091'Shaft assemblies suitable for circuit breakers and related circuit breakers'20168,592,706'Charging handle apparatus and switchgear apparatus'20138,507,817'Latch assembly and electrical switching apparatus including the same'20137,646,270'Electrical switching apparatus, and yoke assembly and spring assembly therefor'20107,294,804'Energy dissipating spring seat'20077,218,192'Lockable fastener and circuit breaker employing the same'20077,145,420'Support structure for a circuit interrupter latch and circuit breaker employing the same'20067,012,493'Circuit breaker including rotary interlock for secondary cover'20066,924,446'Circuit breaker including a latchable cradle and a cross bar adapted to move in an arcuate path away from primary and secondary latches'20056,878,890'Circuit breaker lockable fastener securing a movable contact to its terminal mounting'20056,144,271'Circuit breaker with easily installed removable trip unit'20005,831,501'Adjustable trip unit and circuit breaker incorporating same'19985,613,275'Adjusting knob assembly with discrete positioning'19975,530,205'Apparatus for securing bus bars to switches in alternative positions'19965,493,085'Spring clip assembly for electrical connections to flat stabs and switches incorporating the same'19965,412,167'Locking device for an electrical switch'19955,304,765'Circuit breaker positive off interlock'19945,270,564'Circuit breaker positive off interlock'19935,142,112'Circuit breaker positive off interlock'19924,973,927'Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1994Patents assigned to WESTINGHOUSE ELECTRIC CORP (4)· patent assignee history
1990–2019Based in Baden, PA, US· patent location history
1995–2016Patents assigned to EATON CORP (15)· patent assignee history
1995–1998Based in Economy, PA, US· patent location history
2006Patents assigned to CLEVELAND OHIO (1)· patent assignee history
2013Patents assigned to GOTTSCHALK ANDREW L (1)· patent assignee history
2019Patents assigned to EATON INTELLIGENT POWER LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EATON CORP | 15 | 1995–2016 |
| WESTINGHOUSE ELECTRIC CORP | 4 | 1990–1994 |
| CLEVELAND OHIO | 1 | 2006 |
| EATON INTELLIGENT POWER LTD | 1 | 2019 |
| GOTTSCHALK ANDREW L | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baden, Pennsylvania, US | 17 | 1990–2019 |
| Economy, Pennsylvania, US | 4 | 1995–1998 |