Inventor

David C. Freeman

Inventor

Mapleton, IL, US

Overview

2008–2016

Patent span

Mechanical engineering

Primary field (CPC F)

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

F01Mprimary

F01MLubricating of machines or engines in general13%

F02BInternal-combustion piston engines13%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%

F16KValves13%

G05BControl or regulating systems in general13%

Y10TTechnical subjects covered by former us classification13%

B05BSpraying apparatus7%

E01HStreet cleaning7%

H04BTransmission7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2008–2011Patents assigned to FORD GLOBAL TECH LLC (2)· patent assignee history

2008–2011Based in Watertown, MA, US· patent location history

2012–2016Patents assigned to CATERPILLAR INC (3)· patent assignee history

2012–2016Patents assigned to FREEMAN DAVID C (3)· patent assignee history

2012–2013Patents assigned to CRAYTON JOHN W (2)· patent assignee history

2012–2013Based in Mapleton, IL, US· patent location history

2016Patents assigned to ANDERTON PETER W (1)· patent assignee history

2016Based in Chillicothe, IL, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations