Inventor

Russell J. VanRens

Inventor

Milwaukee, WI, US

Overview

23→

Patents

1986–1998

Patent span

Performing operations

Primary field (CPC B)

Patents· 23 as inventor

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

B22Cprimary

B22CFoundry moulding20%

F02BInternal-combustion piston engines16%

F02FCylinders, pistons or casings, for combustion engines13%

B22DCasting of metals11%

B29CShaping or joining of plastics11%

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. inserts9%

B29LIndexing scheme associated with subclass b29c, relating to particular articles5%

Y10TTechnical subjects covered by former us classification5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

F01MLubricating of machines or engines in general2%

PatentTitleYear

5,829,249'Internal combustion engine with exhaust passage and reactor having a common wall'1998 5,714,104'Method of molding FRP parts'1998 5,456,230'Four-stroke internal combustion engine with contaminated oil elimination'1995 5,443,044'Outboard motor with four stroke engine'1995 5,404,846'Four stroke one-piece engine block construction'1995 5,372,176'Method and apparatus for producing housing having a cast-in-place insert using lost foam process'1994 5,314,002'Vacuum valve apparatus for die casting'1994 5,293,693'Vacuum valve design for die casting'1994 5,219,409'Vacuum die casting process'1993 5,203,396'Vacuum valve for die casting'1993 5,199,480'Sealed shot sleeve for vacuum die casting'1993 5,086,825'Method for manufacturing foam pattern assemblies'1992 5,080,955'Foam pattern assembly and method for making the same'1992 5,073,100'Clamp assembly'1991 5,054,537'Lost foam pattern assembly for V-block engine'1991 5,018,568'Lost foam engine block pattern'1991 5,011,398'Apparatus for lost foam molding and method of assembling same'1991 4,880,047'Lost foam transfer passage cavity construction'1989 4,872,637'Die member for forming a lost foam pattern'1989 4,690,201'Lost foam mold pattern and associated method'1987 4,609,028'Evaporative pattern assembly for use in sand casting'1986 4,600,046'Molding apparatus and process including sand compaction system'1986 4,593,739'Method of and apparatus for packing sand around a mold pattern by vibration'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1998Patents assigned to OUTBOARD MARINE CORP (22)· patent assignee history

1986–1987Based in West Allis, WI, US· patent location history

1989–1998Based in Milwaukee, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OUTBOARD MARINE CORP	22	1986–1998

Locations

Location	Patents	Span
Milwaukee, WI, US	19	1989–1998
West Allis, WI, US	4	1986–1987