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Inventor

Graham Richard Roberts

Inventor
Hatton, GB

Overview

3→
Patents
1999–2008
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

F02Gprimary
F02GHot gas or combustion-product positive-displacement engine plants20%
G01FMeasuring volume, volume flow, mass flow or liquid level20%
G01KMeasuring temperature20%
H02JElectric power networks20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
PatentTitleYear
7,459,799'Domestic combined heat and power unit'20085,936,156'Liquid metering'19995,902,043'Apparatus and method for measuring heat power consumed in or extracted from a region'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to BRITISH GAS PLC (2)· patent assignee history
1999–2008Based in Hatton, GB· patent location history
1999Based in Stratford-Upon-Avon, GB· patent location history
2008Patents assigned to MICROGEN ENERGY LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRITISH GAS PLC21999
MICROGEN ENERGY LTD12008
Locations
LocationPatentsSpan
Hatton, GB21999–2008
Stratford-Upon-Avon, GB11999