Inventor

Warren E. Herwig

Inventor

Oshkosh, WI, US

Overview

19→

Patents

1978–2016

Patent span

Performing operations

Primary field (CPC B)

Patents· 19 as inventor

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

B23Kprimary

B23KSoldering or unsoldering35%

A01DHarvesting12%

G01RMeasuring electric variables8%

H01FMagnets8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

B05BSpraying apparatus4%

B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load4%

C23CCoating metallic material4%

G01BMeasuring length, thickness or similar linear dimensions4%

G01VGeophysics4%

PatentTitleYear

9,318,884'Induction heating wire insulation heating and removal'2016 6,852,949'Welding machine with automatic parameter setting'2005 6,567,253'Apparatus to sense a silicon controlled rectifier short circuit'2003 6,563,085'Welding machine with automatic parameter setting'2003 6,504,133'Wire feeder with non-linear speed control'2003 6,414,267'Method and apparatus for control of a welding power source'2002 6,300,857'Insulating toroid cores and windings'2001 6,262,391'Wire feeder with non-linear speed control'2001 6,248,975'Welding machine with automatic parameter setting'2001 6,091,048'Welding machine with automatic parameter setting'2000 5,990,447'Wire feeder with non-linear speed control'1999 5,528,010'Method and apparatus for initiating electric arc spraying'1996 5,482,734'Method and apparatus for controlling an electric arc spraying process'1996 5,221,894'Weld current sensor'1993 4,458,471'Combine speed control'1984 4,441,513'Tailings monitor for combine harvester'1984 4,433,529'Torsion spring coupled drive mechanism for reciprocating device having hazard warning means'1984 4,229,799'Method and apparatus for measuring area traversed by vehicular implement'1980 4,068,773'Lift vehicle with fail-safe overload protective system'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1984Patents assigned to ALLIS CHALMERS (5)· patent assignee history

1978–1984Based in Wind Lake, WI, US· patent location history

1993–2016Based in Oshkosh, WI, US· patent location history

1996Patents assigned to MILLER GROUP LTD (2)· patent assignee history

1999–2016Patents assigned to ILLINOIS TOOL WORKS (11)· patent assignee history

2016Patents assigned to DESSART NICHOLAS JAMES (1)· patent assignee history

2016Patents assigned to HERWIG WARREN EDWARD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ILLINOIS TOOL WORKS	11	1999–2016
ALLIS CHALMERS	5	1978–1984
MILLER GROUP LTD	2	1996
DESSART NICHOLAS JAMES	1	2016
HERWIG WARREN EDWARDself	1	2016

Locations

Location	Patents	Span
Oshkosh, WI, US	14	1993–2016
Wind Lake, WI, US	5	1978–1984