Inventor

John R. Parrish

Inventor
Cross Lanes, WV, US

Overview

22→
Patents
1996–2018
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 22 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds30%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests26%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry21%
G05BControl or regulating systems in general6%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors2%
F27BFurnaces, kilns, ovens or retorts in general2%
G06FElectric digital data processing2%
G16CComputational chemistry2%
PatentTitleYear
10,048,238Method of monitoring production of a chemical product and a chromatograph used therewith20189,023,958'Methods and systems for catalyst delivery'20158,862,438'Method for improving the prediction of polymer properties'20148,742,035'Method of controlling a polymerization reactor'20148,354,481'Method of controlling a polymerization reactor'20138,293,853'Raw material efficiency method and process'20128,093,341'Method of controlling a polymerization reactor'20128,071,699'Methods of controlling properties in multimodal systems'20118,032,328'Process monitoring technique and related actions'20117,625,987'Gas phase polymerization and method of controlling same'20097,343,225'Method for reducing off-grade product production during reaction transitions'20086,988,022'Method for online estimation of reactor split for multimodal polyolefins'20066,846,884'Control of resin properties'20056,498,220'Reactor product discharge system'20026,472,483'Dry product discharge from a gas phase polymerization reactor operating in the condensing mode'20026,365,681'Preventing upsets in polymerization reactors'20026,255,411'Reactor product discharge system'20016,063,877'Control of gas phase polymerization reactions'20005,990,250'Method of fluidized bed temperature control'19995,844,054'Process control in the presence of chromium based catalysts'19985,627,242'Process for controlling gas phase fluidized bed polymerization reactor'19975,589,630'Fast gas chromatography method, apparatus and applications'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2018Patents assigned to UNION CARBIDE CHEM PLASTIC (12)· patent assignee history
1996–2015Based in Cross Lanes, WV, US· patent location history
2006–2015Patents assigned to UNIVATION TECH LLC (4)· patent assignee history
2009–2018Based in Charleston, WV, US· patent location history
2011–2014Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (5)· patent assignee history
2011–2014Patents assigned to PARRISH JOHN R (5)· patent assignee history
2012–2014Patents assigned to DRABISH JEFFREY B (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNION CARBIDE CHEM PLASTIC121996–2018
DOW GLOBAL TECHNOLOGIES LLC52011–2014
PARRISH JOHN Rself52011–2014
UNIVATION TECH LLC42006–2015
DRABISH JEFFREY B32012–2014
Locations
LocationPatentsSpan
Cross Lanes, WV, US151996–2015
Charleston, WV, US72009–2018