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Inventor

Stephen C. Williamson

Inventor
Arvonia, VA, US

Overview

9→
Patents
1988–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 9 as inventor

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

A47Jprimary
A47JKitchen equipment25%
H02KDynamo-electric machines25%
LOC0725%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
F16CShafts8%
PatentTitleYear
11,083,331Beverage maker202110,680,503Active screening for an electrical machine20209,980,602Beverage maker20188,378,537'Superconducting electrical machine'2013D0670539'Pod holder'2012D0670540'Pod holder'20127,461,586'Hot beverage maker with cup-actuated, low-drip dispenser'2008D0462226'Coffee maker'20024,792,710'Construction of electrical machines'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Based in Tilehurst, GB· patent location history
2002–2021Based in Arvonia, VA, US· patent location history
2008–2021Patents assigned to HAMILTON BEACH BRANDS INC (5)· patent assignee history
2012Patents assigned to HAWKS DAVID R (2)· patent assignee history
2012Patents assigned to STARR WILLIAM D (2)· patent assignee history
2012Patents assigned to WILLIAMSON STEPHEN C (2)· patent assignee history
2013–2020Patents assigned to ROLLS ROYCE PLC (2)· patent assignee history
2013–2020Based in Huddersfield, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAMILTON BEACH BRANDS INC52008–2021
HAWKS DAVID R22012
ROLLS ROYCE PLC22013–2020
STARR WILLIAM D22012
WILLIAMSON STEPHEN Cself22012
Locations
LocationPatentsSpan
Arvonia, Virginia, US62002–2021
Huddersfield, GB22013–2020
Tilehurst, GB11988