Inventor

Oliver H. Fearing, Jr.

Inventor

Huntington, WV, US

Overview

4→

Patents

1995–2004

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 4 as inventor

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

F21Sprimary

F21SNon-portable lighting devices14%

F21VFunctional features or details of lighting devices or systems thereof14%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted14%

H01HElectric switches14%

H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines14%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact7%

H02HEmergency protective circuit arrangements7%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%

H05KPrinted circuits7%

PatentTitleYear

6,822,866'Microdrive'2004 6,327,124'Low current ground fault relay'2001 5,534,664'Explosion proof power supply enclosure for hazardous atmosphere lighting systems'1996 5,381,321'Luminaire for hazardous atmospheres and explosion proof enclosure for power supply therefor'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1996Patents assigned to SERVICE MACHINE CO (2)· patent assignee history

1995–2004Based in Huntington, WV, US· patent location history

2001–2004Patents assigned to SMC ELECTRICAL PRODUCTS INC (2)· patent assignee history

2001Based in Barboursville, WV, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SERVICE MACHINE CO	2	1995–1996
SMC ELECTRICAL PRODUCTS INC	2	2001–2004

Locations

Location	Patents	Span
Huntington, WV, US	3	1995–2004
Barboursville, WV, US	1	2001