Inventor

William J. Linstromberg

Inventor

Lincoln Township, Berrien County, MI, US

Overview

1976–1991

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 24 as inventor

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

F25Dprimary

F25DRefrigerators33%

F25CProducing, working or handling ice30%

F25BRefrigeration machines, plants or systems8%

G05DSystems for controlling or regulating non-electric variables5%

H01HElectric switches5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

A47LDomestic washing or cleaning3%

B67DDispensing, delivering or transferring liquids, not otherwise provided for3%

G01KMeasuring temperature3%

G07FCoin-freed or like apparatus3%

PatentTitleYear

5,060,486'Thermostat control for providing multiple temperature ranges in a single refrigeration compartment'1991 4,942,979'Ice dispensing apparatus'1990 4,754,615'Ice maker heat shield and mount for plastic liner refrigerator support'1988 4,741,169'Ice maker safety control'1988 4,732,010'Power switch and baffle assembly having unidirectional drive motor for a refrigerator'1988 4,707,684'Alarm for a refrigerator'1987 4,689,965'Adaptive defrost control for a refrigerator'1987 4,688,393'Power switch and baffle assembly for a refrigerator'1987 4,660,247'Temperature limiting system for a spring loaded torque limiting clutch'1987 4,651,789'Snap-on interlock for water dispenser'1987 4,649,718'Ice maker with anti-capillarity means'1987 4,649,854'Over-temperature indicator device for freezers'1987 4,619,221'Inventory indicating means for refrigeration apparatus'1986 4,530,218'Refrigeration apparatus defrost control'1985 4,475,357'Ice production rate selector for ice maker'1984 4,344,295'Control for timed operation of ice maker'1982 4,306,379'Refrigerator door construction and method of assembly'1981 4,176,527'Ice crusher for refrigerator'1979 4,130,746'Snap-action cam for timer switch'1978 4,100,761'Movable ice receptacle'1978 4,098,094'Stop mechanism for movable ice receptacle'1978 4,095,439'Movable ice receptacle'1978 4,087,140'Magnetic latch - movable ice receptacle'1978 3,964,269'Sensing arm water fill shut off for ice maker'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1991Patents assigned to WHIRLPOOL CO (24)· patent assignee history

1976–1981Based in Evansville, IN, US· patent location history

1982–1991Based in Lincoln Township, Berrien County, MI, US· patent location history

1988Based in St. Joseph, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WHIRLPOOL CO	24	1976–1991

Locations

Location	Patents	Span
Lincoln Township, Berrien County, MI, US	15	1982–1991
Evansville, IN, US	8	1976–1981
St. Joseph, MI, US	1	1988