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Inventor

William E. May

Inventor
Lawrenceville, GA, US

Overview

13→
Patents
1978–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

H01Hprimary
H01HElectric switches28%
H02HEmergency protective circuit arrangements17%
G01RMeasuring electric variables11%
H01FMagnets11%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power11%
G03GElectrography6%
H05KPrinted circuits6%
LOC086%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
7,220,488'Deflecting magnetic field shield'2007D0415947'Doorknob'19995,229,825'Magnetic brush laydown/pickup apparatus'19935,195,009'Current summing arrangement for ground fault detection'19935,136,454'Arrangement for providing ground fault protection'19924,947,126'Ground fault current rectification and measuring circuit'19904,833,564'Current sensing relay circuit with adjustable sensitivity and tracking test circuit'19894,801,910'Magnetic actuating mechanism'19894,680,672'Molded case circuit breaker with front accessible control panel'19874,631,625'Microprocessor controlled circuit breaker trip unit'19864,630,018'Molded case circuit breaker current transformer with spiral bus'19864,568,899'Ground fault accessory for a molded case circuit breaker'19864,105,136'Snap-in molded cover assembly for access opening'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to GOULD INC (1)· patent assignee history
1978Based in Feasterville, PA, US· patent location history
1986–1993Patents assigned to SIEMENS ENERGY & AUTOMAT (6)· patent assignee history
1986Patents assigned to SIEMENS AG (1)· patent assignee history
1986–1993Based in Lawrenceville, GA, US· patent location history
1993Patents assigned to EASTMAN KODAK CO (1)· patent assignee history
1993Based in Rochester, NY, US· patent location history
1999–2007Patents assigned to MAY WILLIAM (2)· patent assignee history
1999Based in Houston, TX, US· patent location history
2007Based in Riverview, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS ENERGY & AUTOMAT61986–1993
MAY WILLIAMself21999–2007
EASTMAN KODAK CO11993
GOULD INC11978
SIEMENS AG11986
Locations
LocationPatentsSpan
Lawrenceville, Georgia, US91986–1993
Riverview, Florida, US12007
Houston, Texas, US11999
Rochester, New York, US11993
Feasterville, Pennsylvania, US11978