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Inventor

Richard K. Thomas

Inventor
Elk Grove Village, IL, US

Overview

21→
Patents
1978–2021
Patent span
LOC
Primary field

Patents· 21 as inventor

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

LOCD0primary
LOCD036%
LOCD121%
A47JKitchen equipment7%
B67BApplying closure members to bottles jars, or similar containers7%
F02DControlling combustion engines7%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
H02JElectric power networks7%
Y02TClimate change mitigation technologies related to transportation7%
PatentTitleYear
11,028,810Injector method of switching between injection state and drain state2021D0338371'Food mixer'1993D0327812'Food blender vessel'1992D0319555'Food mixer'1991D0309081'Portable electric food mixer'1990D0302929'Can opener'19894,831,735'Adjustment height can opener'1989D0290218'Food processor base'1987D0289963'Carving knife housing'1987D0289600'Can opener housing'19874,647,831'Rechargeable battery operated appliance system'1987D0288403'Can opener'1987D0280711'Frypan control'1985D0267538'Food processor'1983D0265165'Food processor base'1982D0256319'Stand for a mixer'1980D0255760'Mixer'1980D0255221'Clock'1980D0254483'Clock'1980D0247476'Clock'1978D0247466'Combined can opener and ice crusher'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1993Patents assigned to SUNBEAM CORP (13)· patent assignee history
1978–1993Based in Elk Grove Village, IL, US· patent location history
1985–1987Patents assigned to ZINK CO JOHN (6)· patent assignee history
1991Patents assigned to THOMAS RICHARD K (1)· patent assignee history
2021Patents assigned to CUMMINS INC (1)· patent assignee history
2021Based in North Vernon, IN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUNBEAM CORP131978–1993
ZINK CO JOHN61985–1987
CUMMINS INC12021
THOMAS RICHARD Kself11991
Locations
LocationPatentsSpan
Elk Grove Village, Illinois, US201978–1993
North Vernon, IN, US12021