Inventor

David A. Leone

Inventor
Lilburn, GA, US

Overview

46→
Patents
1986–2005
Patent span
Electricity
Primary field (CPC H)

Patents· 46 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Hprimary
H01HElectric switches74%
H02HEmergency protective circuit arrangements12%
G01RMeasuring electric variables3%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power3%
H01RElectrically-conductive connections2%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications2%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
6,838,962'Wire lug/arc vent barrier molded case circuit breaker'20056,831,534'External actuator interlock mechanism for circuit breaker'20046,624,375'Wire lug/arc vent barrier molded case circuit breaker'20036,597,266'External actuator interlock mechanism for circuit breaker'20036,529,112'Ring tongue lug retainer molded case circuit breaker'20036,472,965'Molded case circuit breaker accessory system'20026,396,370'Bi-metal trip unit for a molded case circuit breaker'20026,292,717'Energy information device and graphical display for a circuit breaker'20016,289,267'Graphical energy information display system having a menu for user selection of energy related information for an AC load control device'20016,181,226'Bi-metal trip unit for a molded case circuit breaker'20016,135,633'Method for thermally calibrating circuit breaker trip mechanism and associated trip mechanism'20006,038,516'Method for graphically displaying a menu for selection and viewing of the load related parameters of a load connected to an AC load control device'20006,034,581'Remote controlled circuit breaker'20006,030,114'Method for thermally calibrating circuit breaker trip mechanism and associated trip mechanism'20006,005,207'Multi-part circuit breaker housing'19995,791,458'Interface connection for a circuit breaker plug-in trip unit'19985,634,554'Interface connection for a circuit breaker plug-in trip unit'19975,490,086'Plug-in ground fault monitor for a circuit breaker'19965,459,631'Electronic charging motor controller'19955,448,033'Circuit breaker stationary contact strap'19955,426,592'Circuit breaker trip unit which automatically adapts to operated with a particular display module'19955,381,119'Circuit breaker trip unit interlock'19955,369,542'Dual trip circuit for circuit breaker'19945,239,144'Circuit breaker trip unit interlock'19935,025,121'Circuit breaker contact assembly'19915,004,875'Stored energy contact operating mechanism'19914,939,323'Circuit breaker contact assembly'19904,926,018'Moving mains arc movement loop'19904,926,016'Moving contact blade barrier'19904,926,019'Moving copper pivot'19904,914,549'Circuit breaker movement mechanism'19904,899,022'Stored energy operating mechanism charging handle and cover assembly'19904,876,424'Barrier with a venting scheme for a circuit breaker'19894,871,889'Arcing contact assembly for a circuit breaker'19894,866,225'Insulated light weight metallic crossbar in polyphase circuit breaker assemblies for inhibiting arcing'19894,713,637'Stored energy circuit breaker with ratchet mechanism for charging a contact closing spring'19874,704,593'Circuit breaker with adjustable thermal mechanism'19874,654,490'Reverse loop circuit breaker with high impedance stationary conductor'19874,654,491'Circuit breaker with contact support and arc runner'19874,650,940'Circuit breaker with arc gas vent baffle'19874,639,564'Circuit breaker with arc chamber vent'19874,635,011'Circuit breaker with arm latch for high interrupting capacity'19874,631,376'Molded case circuit breaker with an improved arc gas external venting system'19864,594,491'Molded case circuit breaker with a trip mechanism having an intermediate latch lever'19864,581,511'Molded case circuit breaker with an improved internal venting system'19864,563,557'Molded case circuit breaker with a movable contact arm shock absorbing member'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to WESTINGHOUSE ELECTRIC CORP (11)· patent assignee history
1986–1987Based in Aliquippa, PA, US· patent location history
1987–1996Based in Lawrenceville, GA, US· patent location history
1987Based in Center Township, Beaver County, PA, US· patent location history
1989–2004Patents assigned to SIEMENS ENERGY & AUTOMAT (32)· patent assignee history
1995–2005Based in Lilburn, GA, US· patent location history
1998Patents assigned to SIEMANS ENERGY & AUTOMATION IN (1)· patent assignee history
2005Patents assigned to SIEMENS ENERGY & AUTOMATION (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS ENERGY & AUTOMAT321989–2004
WESTINGHOUSE ELECTRIC CORP111986–1987
SIEMANS ENERGY & AUTOMATION IN11998
SIEMENS ENERGY & AUTOMATION12005
Locations
LocationPatentsSpan
Lilburn, Georgia, US181995–2005
Lawrenceville, Georgia, US181987–1996
Aliquippa, Pennsylvania, US91986–1987
Center Township, Beaver County, Pennsylvania, US11987