Inventor

William W. Heminghous

Inventor

Saginaw, MI, US

Overview

3→

Patents

1988–2003

Patent span

Performing operations

Primary field (CPC B)

Patents· 3 as inventor

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

B29Cprimary

B29CShaping or joining of plastics13%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts13%

B29LIndexing scheme associated with subclass b29c, relating to particular articles13%

C23CCoating metallic material13%

F02BInternal-combustion piston engines13%

F16HGearing13%

Y02TClimate change mitigation technologies related to transportation13%

Y10TTechnical subjects covered by former us classification13%

PatentTitleYear

6,638,390'Gear production process'2003 4,776,901'Nitrocarburizing and nitriding process for hardening ferrous surfaces'1988 4,742,683'Turbocompound engine'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to TELEDYNE IND (2)· patent assignee history

1988Based in Gulfport, MS, US· patent location history

1988Based in Theodore, AL, US· patent location history

2003Patents assigned to DELPHI TECH INC (1)· patent assignee history

2003Based in Saginaw, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TELEDYNE IND	2	1988
DELPHI TECH INC	1	2003

Locations

Location	Patents	Span
Saginaw, MI, US	1	2003
Gulfport, MS, US	1	1988
Theodore, AL, US	1	1988