Inventor

Michael E. Ward

Inventor

Geneva, IL, US

Overview

1987–2011

Patent span

Mechanical engineering

Primary field (CPC F)

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

F16Bprimary

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact10%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%

Y10TTechnical subjects covered by former us classification10%

C04BLime, magnesia4%

E04BGeneral building constructions4%

F16LPipes4%

B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels2%

B23GThread cutting2%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1987–1998Patents assigned to SOLAR TURBINES INC (4)· patent assignee history

1987Based in San Diego, CA, US· patent location history

1993–1999Based in Poway, CA, US· patent location history

1997–2011Patents assigned to ILLINOIS TOOL WORKS (15)· patent assignee history

1997–2011Based in Geneva, IL, US· patent location history

1999Patents assigned to SOLAR TURBINES (1)· patent assignee history

2009Patents assigned to CASS POLYMERS INC (1)· patent assignee history

2009Based in Tuttle, OK, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations