Membership
Tour
Register
Log in
STONE & WEBSTER ENGINEERING CORPORATION
Follow
Organization
BOSTON, MA, US
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Ceramic slot reactor for ethylene production
Patent number
6,383,455
Issue date
May 7, 2002
Stone & Webster Engineering Corp.
Dennis A. Duncan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Ceramic dip pipe and tube reactor for ethylene production
Patent number
6,312,652
Issue date
Nov 6, 2001
Stone & Webster Engineering Corp.
Dennis A. Duncan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for pretreating cracked gas before caustic tower treatment...
Patent number
6,235,961
Issue date
May 22, 2001
Stone & Webster Engineering Corporation
Sabah A. Kurukchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Spent caustic pretreatment and enhanced oxidation process
Patent number
6,210,583
Issue date
Apr 3, 2001
Stone & Webster Engineering
Sabah A. Kurukchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Integrated cracking and olefins derivative process utilizing dilute...
Patent number
5,981,818
Issue date
Nov 9, 1999
Stone & Webster Engineering Corp.
David Purvis
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Low residence time catalytic cracking process
Patent number
5,976,355
Issue date
Nov 2, 1999
Stone & Webster Engineering Corp.
Axel R. Johnson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Butadiene removal system for ethylene plants with front end hydroge...
Patent number
5,939,596
Issue date
Aug 17, 1999
Stone & Webster Engineering Corp.
Mark Whitney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Spent caustic (pre)treatment process
Patent number
5,885,422
Issue date
Mar 23, 1999
Stone & Webster Engineering Corporation
Sabah A. Kurukchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Chemical absorption process for recovering olefins from cracked gases
Patent number
5,859,304
Issue date
Jan 12, 1999
Stone & Webster Engineering Corp.
Richard Barchas
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for separating fluidized cracking catalysts f...
Patent number
5,837,129
Issue date
Nov 17, 1998
Stone & Webster Engineering Corp.
Joseph L. Ross
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process based mixed refrigerants for ethylene plants
Patent number
5,768,913
Issue date
Jun 23, 1998
Stone & Webster Engineering Corp.
Richard H. McCue
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Fluid catalytic cracking process and apparatus
Patent number
5,766,558
Issue date
Jun 16, 1998
Stone & Webster Engineering Corp.
Warren S. Letzsch
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Butadiene removal system for ethylene plants with front end hydroge...
Patent number
5,763,715
Issue date
Jun 9, 1998
Stone & Webster Engineering Corp.
Mark Whitney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for catalytically cracking paraffin rich feedstocks compris...
Patent number
5,730,859
Issue date
Mar 24, 1998
Stone & Webster Engineering Corporation
Axel R. Johnson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Fluid catalytic cracking process and apparatus
Patent number
5,723,040
Issue date
Mar 3, 1998
Stone & Webster Engineering Corporation
Warren S. Letzsch
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Short residence time cracking apparatus and process
Patent number
5,662,868
Issue date
Sep 2, 1997
Stone & Webster Engineering Corporation
Warren S. Letzsch
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatus for controlling catalyst temperature during regeneration
Patent number
5,571,482
Issue date
Nov 5, 1996
Stone & Webster Engineering Corporation
Steve L. Long
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalytically cracking paraffin rich feedstocks comprising high and...
Patent number
5,565,176
Issue date
Oct 15, 1996
Stone & Webster Engineering Corporation
Axel R. Johnson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Flexible light olefins production
Patent number
5,523,502
Issue date
Jun 4, 1996
Stone & Webster Engineering Corp.
Jacob N. Rubin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for catalytically cracking feedstocks paraffin rich compris...
Patent number
5,435,906
Issue date
Jul 25, 1995
Stone & Webster Engineering Corporation
Axel R. Johnson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
High capacity rapid quench boiler
Patent number
5,427,655
Issue date
Jun 27, 1995
Stone & Webster Engineering Corp.
Herman N. Woebcke
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Mixed phase front end C.sub.2 acetylene hydrogenation
Patent number
5,414,170
Issue date
May 9, 1995
Stone & Webster Engineering Corporation
Richard H. McCue
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Integrated MTBE process
Patent number
5,382,707
Issue date
Jan 17, 1995
Stone & Webster Engineering Corp.
Jacob N. Rubin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for treating and regenerating spent caustic
Patent number
5,368,726
Issue date
Nov 29, 1994
Stone & Webster Engineering Corp.
Stephen Z. Masoomian
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Particulate solids cracking apparatus
Patent number
5,340,545
Issue date
Aug 23, 1994
Stone & Webster Engineering Corp.
Robert J. Gartside
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Particulate solids cracking apparatus and process
Patent number
5,324,484
Issue date
Jun 28, 1994
Stone & Webster Engineering Corp.
Robert J. Gartside
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Combination process for the pretreatment and hydroconversion of hea...
Patent number
5,320,741
Issue date
Jun 14, 1994
Stone & Webster Engineering Corporation
Axel R. Johnson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
NO.sub.x Emissions advisor and automation system
Patent number
5,280,756
Issue date
Jan 25, 1994
Stone & Webster Engineering Corp.
Donald E. Labbe
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Process for pyrolysis of hydrocarbons
Patent number
5,271,827
Issue date
Dec 21, 1993
Stone & Webster Engineering Corp.
Herman N. Woebcke
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process for treating and regenerating spent caustic
Patent number
5,268,104
Issue date
Dec 7, 1993
Stone & Webster Engineering, Corp.
Stephen Z. Masoomain
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74483211 - STONESIM
Serial number
74483211
Filing date
Jan 27, 1994
STONE & WEBSTER ENGINEERING CORP.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74464333 - HYDROFCC
Serial number
74464333
Filing date
Dec 1, 1993
STONE & WEBSTER ENGINEERING CORP.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74341617 - STONE & WEBSTER ENVIRONMENTAL TECHNOLOGY & SERVICES
Serial number
74341617
Registration number
1839092
Filing date
Dec 21, 1992
STONE & WEBSTER ENGINEERING CORP.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74337322 - P.E.A.T.
Serial number
74337322
Registration number
1789647
Filing date
Dec 7, 1992
STONE & WEBSTER ENGINEERING CORPORATION
36 - Insurance
Information
Trademark
74266445 - CUSTOMER SATISFACTION INVOLVE EVERYONE CONTINUOUS IMPROV...
Serial number
74266445
Filing date
Apr 15, 1992
STONE & WEBSTER ENGINEERING CORP.
35 - Advertising
Information
Trademark
74266431 - TQ
Serial number
74266431
Filing date
Apr 15, 1992
STONE & WEBSTER ENGINEERING CORP.
35 - Advertising
Information
Trademark
74250726 - STONE & WEBSTER ENVIRONMENTAL SERVICES
Serial number
74250726
Registration number
1736517
Filing date
Feb 28, 1992
STONE & WEBSTER ENGINEERING CORP.
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
74183797 - QC
Serial number
74183797
Filing date
Jul 8, 1991
STONE & WEBSTER ENGINEERING CORP.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74182226 - SOLUTIONS
Serial number
74182226
Filing date
Jul 1, 1991
STONE & WEBSTER ENGINEERING CORP.
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
74136113 - STONEBASE
Serial number
74136113
Registration number
1704170
Filing date
Feb 4, 1991
STONE & WEBSTER ENGINEERING CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74020052 - ACES
Serial number
74020052
Registration number
1623425
Filing date
Jan 17, 1990
STONE & WEBSTER ENGINEERING CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74016821 - STONERULE
Serial number
74016821
Registration number
1622226
Filing date
Jan 8, 1990
STONE & WEBSTER ENGINEERING CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74006424 - STONEBRIDGE
Serial number
74006424
Registration number
1628089
Filing date
Nov 30, 1989
STONE & WEBSTER ENGINEERING CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73838024 - STONEVIEW
Serial number
73838024
Registration number
1614710
Filing date
Nov 9, 1989
STONE & WEBSTER ENGINEERING CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73822116 - STONEWORKS
Serial number
73822116
Registration number
1606231
Filing date
Aug 28, 1989
STONE & WEBSTER ENGINEERING CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73816226 - STONELINK
Serial number
73816226
Registration number
1585461
Filing date
Jul 31, 1989
STONE & WEBSTER ENGINEERING CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73783893 - ROTATING EQUIPMENT VIBRATION ADVISOR
Serial number
73783893
Filing date
Mar 1, 1989
STONE & WEBSTER ENGINEERING CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73783897 - ADVISOR
Serial number
73783897
Filing date
Mar 1, 1989
STONE & WEBSTER ENGINEERING, CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73783960 - COAL QUALITY ADVISOR
Serial number
73783960
Registration number
1565667
Filing date
Mar 1, 1989
STONE & WEBSTER ENGINEERING CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73757396 - ACES
Serial number
73757396
Filing date
Oct 13, 1988
STONE & WEBSTER ENGINEERING, CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73065391 - SWIM
Serial number
73065391
Registration number
1043106
Filing date
Oct 8, 1975
STONE & WEBSTER ENGINEERING CORPORATION
35 - Advertising
Information
Trademark
72301482 - ULTRA SELECTIVE CONVERSION
Serial number
72301482
Registration number
919543
Filing date
Jun 27, 1968
STONE & WEBSTER ENGINEERING CORPORATION
37 - Building construction
Information
Trademark
72301483 - USC
Serial number
72301483
Registration number
918191
Filing date
Jun 27, 1968
STONE & WEBSTER ENGINEERING CORPORATION
37 - Building construction
Information
Trademark
71699111 - RIPPLE TRAY
Serial number
71699111
Registration number
635520
Filing date
Nov 29, 1955
STONE & WEBSTER ENGINEERING CORPORATION
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes