Inventor

James J. Stewart

Inventor
Chardon, OH, US

Overview

16→
Patents
1981–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 16 as inventor

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

Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals9%
C25CProcesses for the electrolytic production, recovery or refining of metals7%
F03GSpring, weight, inertia or like motors7%
F24J7%
F24TGeothermal collectors7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
A01HNew plants or non-transgenic processes for obtaining them5%
C12NMicroorganisms or enzymes5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2018Patents assigned to STEWART JAMES J (4)· patent assignee history
1986–1992Patents assigned to ELTECH SYSTEMS CORP (9)· patent assignee history
1986–1992Based in Chardon, OH, US· patent location history
2016–2018Patents assigned to NEWTON GRAHAME (3)· patent assignee history
2016–2018Patents assigned to ZAYNULIN DMITRIY I (3)· patent assignee history
2016Based in Prins Hendriklaan, NL· patent location history
2017–2018Patents assigned to AGRIGENETICS INC (2)· patent assignee history
2017–2018Based in Ames, IA, US· patent location history
2017Based in The Hague, NL· patent location history
2018Based in Bergen op Zoom, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ELTECH SYSTEMS CORP91986–1992
STEWART JAMES Jself41981–2018
NEWTON GRAHAME32016–2018
ZAYNULIN DMITRIY I32016–2018
AGRIGENETICS INC22017–2018
Locations
LocationPatentsSpan
Chardon, OH, US91986–1992
Ames, IA, US22017–2018
Bergen op Zoom, NL12018
The Hague, NL12017
Prins Hendriklaan, NL12016