Inventor

Herman F. Feldmann

Inventor
Worthington, OH, US

Overview

11→
Patents
1977–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

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

C10Jprimary
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases26%
Y02PClimate change mitigation technologies in the production or processing of goods18%
C01BNon-metallic elements11%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C07CAcyclic or carbocyclic compounds5%
C10LFuels not otherwise provided for5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C10GCracking hydrocarbon oils3%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1990Based in Worthington, OH, US· patent location history
1981–1990Patents assigned to BATTELLE DEVELOPMENT CORP (3)· patent assignee history
1985Patents assigned to INT PAPER CO (1)· patent assignee history
2010–2011Patents assigned to RENTECH INC (2)· patent assignee history
2010–2017Based in Carbondale, IL, US· patent location history
2011–2015Patents assigned to FELDMANN HERMAN (2)· patent assignee history
2015–2017Patents assigned to RES USA LLC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BATTELLE DEVELOPMENT CORP31981–1990
RES USA LLC32015–2017
FELDMANN HERMANself22011–2015
RENTECH INC22010–2011
INT PAPER CO11985
Locations
LocationPatentsSpan
Worthington, OH, US61977–1990
Carbondale, Illinois, US52010–2017