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Inventor

Theresa Chih-Lei Miao Spear

Inventor
Highland Hts., OH, US

Overview

4→
Patents
2004–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B23Kprimary
B23KSoldering or unsoldering50%
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 systems17%
LOC2917%
Y02PClimate change mitigation technologies in the production or processing of goods17%
PatentTitleYear
9,647,555'Chopper output stage for arc welder power source'2017D0728777'Helmet plenum'20157,005,608'Cooling system for arc welding'20066,815,640'Apparatus, system and method to facilitate reconfigurable welding power supply'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2017Patents assigned to LINCOLN GLOBAL INC (4)· patent assignee history
2004–2015Based in Highland Heights, OH, US· patent location history
2006–2017Based in Highland Hts., OH, US· patent location history
2017Patents assigned to KOOKEN TODD E (1)· patent assignee history
2017Patents assigned to SPEAR THERESA CHIH-LEI MIAO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LINCOLN GLOBAL INC42004–2017
KOOKEN TODD E12017
SPEAR THERESA CHIH-LEI MIAOself12017
Locations
LocationPatentsSpan
Highland Hts., OH, US22006–2017
Highland Heights, OH, US22004–2015