Inventor

John Cromie

Inventor
Menlo Park, CA, US

Overview

9→
Patents
1994–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

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

B64Bprimary
B64BLighter-than air aircraft28%
B64DEquipment for fitting in or to aircraft12%
F16CShafts8%
H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y10TTechnical subjects covered by former us classification8%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
B66DCapstans4%
F02KJet-propulsion plants4%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to XEROX CORP (1)· patent assignee history
1994Based in Rushden, GB· patent location history
2018Patents assigned to X DEV LLC (2)· patent assignee history
2018–2021Based in Menlo Park, CA, US· patent location history
2019Patents assigned to LOCKHEED CORP (1)· patent assignee history
2020–2021Patents assigned to LOON LLC (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LOON LLC52020–2021
X DEV LLC22018
LOCKHEED CORP12019
XEROX CORP11994
Locations
LocationPatentsSpan
Menlo Park, California, US82018–2021
Rushden, GB11994