Inventor

Jose M. Lopez-Crevillen

Inventor

Westland, MI, US

Overview

8→

Patents

1983–2012

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 8 as inventor

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

F01Mprimary

F01MLubricating of machines or engines in general20%

F02FCylinders, pistons or casings, for combustion engines15%

Y10TTechnical subjects covered by former us classification15%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general10%

F02BInternal-combustion piston engines10%

B23BTurning5%

B23PMetal-working not otherwise provided for5%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines5%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%

F16CShafts5%

PatentTitleYear

8,166,939'Cam bearing surface of an engine cylinder head that includes an axially extending oil passage'2012 8,146,544'Engine cylinder head cooling features and method of forming'2012 5,063,737'Particulate trap system for an internal combustion engine'1991 4,987,738'Particulate trap system for an internal combustion engine'1991 4,719,892'Cavity closure with isolator seal and method'1988 4,667,628'Oil pan isolation mounting and seal'1987 4,527,710'Sealing covers for air boxes'1985 4,394,853'Engine oil pan isolation mounting'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1991Patents assigned to GEN MOTORS CORP (6)· patent assignee history

1983–1991Based in Westland, MI, US· patent location history

2012Patents assigned to GM GLOBAL TECH OPERATIONS INC (2)· patent assignee history

2012Patents assigned to LOPEZ-CREVILLEN JOSE MANUEL (2)· patent assignee history

2012Patents assigned to MORAN ROBERT J (2)· patent assignee history

2012Patents assigned to ROMBLOM EDWARD R (1)· patent assignee history

2012Based in Farmington Hills, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN MOTORS CORP	6	1983–1991
GM GLOBAL TECH OPERATIONS INC	2	2012
LOPEZ-CREVILLEN JOSE MANUELself	2	2012
MORAN ROBERT J	2	2012
ROMBLOM EDWARD R	1	2012

Locations

Location	Patents	Span
Westland, MI, US	6	1983–1991
Farmington Hills, MI, US	2	2012