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Inventor

Nigel J. Walters

Inventor
Horsham, GB

Overview

5→
Patents
1983–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H03Lprimary
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses17%
B01DSeparation8%
B64DEquipment for fitting in or to aircraft8%
F02CGas-turbine plants8%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%
F16NLubricating8%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application8%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner8%
H03CModulation8%
H04BTransmission8%
PatentTitleYear
10,865,711Air inlet system for auxiliary power units20206,502,630'Combined hydraulic fluid cooler/tank'20034,931,749'Phase locked loop sweep frequency synthesizer'19904,843,638'Receiver for frequency hopped signals'19894,380,743'Frequency synthesizer of the phase lock loop type'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1990Patents assigned to PHILIPS CORP (3)· patent assignee history
1983–1990Based in Horsham, GB· patent location history
1989Based in Coolham, GB· patent location history
2003–2020Patents assigned to PRATT & WHITNEY CANADA (2)· patent assignee history
2003Based in St. Laurent, CA· patent location history
2020Based in Anjou, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILIPS CORP31983–1990
PRATT & WHITNEY CANADA22003–2020
Locations
LocationPatentsSpan
Horsham, GB21983–1990
Anjou, CA12020
St. Laurent, CA12003
Coolham, GB11989