Inventor

Vincent A. Welch

Inventor

Medway, MA, US

Overview

11→

Patents

2001–2019

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.

C07Cprimary

C07CAcyclic or carbocyclic compounds29%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

B01DSeparation9%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%

C01BNon-metallic elements9%

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state9%

F28BSteam or vapour condensers9%

B01BBoiling6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

PatentTitleYear

10,252,957Offgas stream direct contact condenser2019 9,902,667'Method for reducing energy consumption in a process to purify styrene monomer'2018 9,714,203'Method for reducing energy consumption in the production of styrene monomer utilizing azeotropic water/ethylbenzene feed vaporization'2017 9,650,317'Offgas stream direct contact condenser'2017 8,999,257'Offgas stream direct contact condenser'2015 8,193,404'Use of a direct heating device with a reheater in a dehydrogenation unit'2012 8,084,660'Use of direct heating device with a reheater in a dehydrogenation unit'2011 7,922,980'EB/SM splitter heat recovery'2011 7,642,390'EB/SM splitter heat recovery'2010 6,620,386'Radial flow reactor'2003 6,171,449'Cascade reboiling of ethylbenzene/styrene columns'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2019Based in Medway, MA, US· patent location history

2003–2011Patents assigned to STONE & WEBSTER INC (3)· patent assignee history

2011–2019Patents assigned to FINA TECHNOLOGY (5)· patent assignee history

2011–2015Patents assigned to WELCH VINCENT A (3)· patent assignee history

2011–2012Patents assigned to OLEKSY SLAWOMIR A (2)· patent assignee history

2017–2018Patents assigned to TECHNIP PROCESS TECH INC (2)· patent assignee history

2018Based in Cambridge, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FINA TECHNOLOGY	5	2011–2019
STONE & WEBSTER INC	3	2003–2011
WELCH VINCENT Aself	3	2011–2015
OLEKSY SLAWOMIR A	2	2011–2012
TECHNIP PROCESS TECH INC	2	2017–2018

Locations

Location	Patents	Span
Medway, Massachusetts, US	10	2001–2019
Cambridge, Massachusetts, US	1	2018