Bill Witherspoon

Person

Guelph, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Fire resistant expansion joint systems
- Patent number 11,459,748
- Issue date Oct 4, 2022
- Emseal Joint Systems, Ltd.
- Lester Hensley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Water and/or fire resistant tunnel expansion joint systems
- Patent number 11,180,995
- Issue date Nov 23, 2021
- Emseal Joint Systems, Ltd.
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Fire and water resistant expansion joint system
- Patent number 10,941,562
- Issue date Mar 9, 2021
- Emseal Joint Systems LTD
- Bill Witherspoon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fire and water resistant expansion joint system
- Patent number 10,934,702
- Issue date Mar 2, 2021
- Emseal Joint Systems LTD
- Bill Witherspoon
- E04 - BUILDING
Information Patent Grant
Fire and/or water resistant expansion joint system
- Patent number 10,934,704
- Issue date Mar 2, 2021
- Emseal Joint Systems LTD
- Bill Witherspoon
- E04 - BUILDING
Information Patent Grant
Fire and water resistant, integrated wall and roof expansion joint...
- Patent number 10,851,542
- Issue date Dec 1, 2020
- Emseal Joint Systems LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Water and/or fire resistant expansion joint system
- Patent number 10,794,056
- Issue date Oct 6, 2020
- Emseal Joint Systems LTD
- Lester Hensley
- B32 - LAYERED PRODUCTS
Information Patent Grant
Fire and/or water resistant expansion and seismic joint system
- Patent number 10,787,805
- Issue date Sep 29, 2020
- Emseal Joint Systems LTD
- Lester Hensley
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fire and/or water resistant expansion and seismic joint system
- Patent number 10,787,806
- Issue date Sep 29, 2020
- Emseal Joint Systems LTD
- Lester Hensley
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of making a water resistant expansion joint system
- Patent number 10,570,611
- Issue date Feb 25, 2020
- Emseal Joint Systems LTD
- Lester Hensley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Expansion joint system
- Patent number 10,544,582
- Issue date Jan 28, 2020
- Emseal Joint Systems LTD
- Lester Hensley
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Fire resistant tunnel expansion joint systems
- Patent number 10,519,651
- Issue date Dec 31, 2019
- Emseal Joint Systems LTD
- Lester Hensley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Precompressed foam expansion joint system transition
- Patent number 10,422,127
- Issue date Sep 24, 2019
- Emseal Joint Systems, Ltd.
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Water and/or fire resistant tunnel expansion joint systems
- Patent number 10,316,661
- Issue date Jun 11, 2019
- Emseal Joint Systems, Ltd.
- Lester Hensley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Water and/or fire resistant expansion joint system
- Patent number 10,179,993
- Issue date Jan 15, 2019
- Emseal Joint Systems, Ltd.
- Lester Hensley
- B32 - LAYERED PRODUCTS
Information Patent Grant
Precompressed foam expansion joint system transition
- Patent number 10,072,413
- Issue date Sep 11, 2018
- Emseal Joint Systems, Ltd.
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Precompressed foam expansion joint system transition
- Patent number 10,066,387
- Issue date Sep 4, 2018
- Emseal Joint Systems, Ltd.
- Lester Hensley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Expansion joint system
- Patent number 9,963,872
- Issue date May 8, 2018
- Emseal Joint Systems LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Fire and water resistant expansion and seismic joint system
- Patent number 9,689,157
- Issue date Jun 27, 2017
- Emseal Joint Systems LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Fire and water resistant expansion and seismic joint system
- Patent number 9,689,158
- Issue date Jun 27, 2017
- Emseal Joint Systems LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Movement-compensating plate anchor
- Patent number 9,677,266
- Issue date Jun 13, 2017
- Emseal Joint Systems, Ltd.
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Fire and water resistant expansion joint system
- Patent number 9,670,666
- Issue date Jun 6, 2017
- EMSEAL JOINT SYTSTEMS LTD.
- Bill Witherspoon
- E04 - BUILDING
Information Patent Grant
Fire and water resistant expansion joint system
- Patent number 9,644,368
- Issue date May 9, 2017
- Emseal Joint Systems LTD
- Bill Witherspoon
- E04 - BUILDING
Information Patent Grant
Factory fabricated precompressed water and/or fire resistant expans...
- Patent number 9,637,915
- Issue date May 2, 2017
- Emseal Joint Systems LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Precompressed water and/or fire resistant tunnel expansion joint sy...
- Patent number 9,631,362
- Issue date Apr 25, 2017
- Emseal Joint Systems LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Fire and water resistant expansion joint system
- Patent number 9,528,262
- Issue date Dec 27, 2016
- Emseal Joint Systems LTD
- Bill Witherspoon
- E04 - BUILDING
Information Patent Grant
Precompressed foam expansion joint system transition
- Patent number 9,200,437
- Issue date Dec 1, 2015
- Emseal Joint Systems LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Grant
Expansion joint system
- Patent number 9,068,297
- Issue date Jun 30, 2015
- Emseal Joint Systems LTD
- Lester Hensley
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Fire and water resistant expansion joint system
- Patent number 8,887,473
- Issue date Nov 18, 2014
- Emseal Joint Systems LTD
- Bill Witherspoon
- E04 - BUILDING
Information Patent Grant
Movement-compensating plate anchor
- Patent number 8,870,506
- Issue date Oct 28, 2014
- Emseal Joint Systems, Ltd.
- Lester Hensley
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
EXPANSION JOINT SEALING SYSTEM HAVING SHIELDING PROPERTIES
- Publication number 20220295676
- Publication date Sep 15, 2022
- EMSEAL JOINT SYSTEMS LTD.
- William WITHERSPOON
- E04 - BUILDING
Information Patent Application
FIRE RESISTANT EXPANSION JOINT SYSTEMS
- Publication number 20200141114
- Publication date May 7, 2020
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WATER AND/OR FIRE RESISTANT TUNNEL EXPANSION JOINT SYSTEMS
- Publication number 20190323347
- Publication date Oct 24, 2019
- EMSEAL JOINT SYSTEMS, LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Application
WATER AND/OR FIRE RESISTANT EXPANSION JOINT SYSTEM
- Publication number 20190211546
- Publication date Jul 11, 2019
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD OF MAKING A WATER RESISTANT EXPANSION JOINT SYSTEM
- Publication number 20180371746
- Publication date Dec 27, 2018
- EMSEAL JOINT SYSTEMS, LTD
- Lester Hensley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PRECOMPRESSED FOAM EXPANSION JOINT SYSTEM TRANSITION
- Publication number 20180371747
- Publication date Dec 27, 2018
- EMSEAL JOINT SYSTEMS, LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Application
EXPANSION JOINT SYSTEM
- Publication number 20180202148
- Publication date Jul 19, 2018
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E04 - BUILDING
Information Patent Application
FIRE AND/OR WATER RESISTANT EXPANSION AND SEISMIC JOINT SYSTEM
- Publication number 20180016784
- Publication date Jan 18, 2018
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FIRE AND WATER RESISTANT, INTEGRATED WALL AND ROOF EXPANSION JOINT...
- Publication number 20170342708
- Publication date Nov 30, 2017
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E04 - BUILDING
Information Patent Application
WATER AND/OR FIRE RESISTANT EXPANSION JOINT SYSTEM
- Publication number 20170298618
- Publication date Oct 19, 2017
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- B32 - LAYERED PRODUCTS
Information Patent Application
COILED PRECOMPRESSED, PRECOATED JOINT SEAL AND METHOD OF MAKING
- Publication number 20170284083
- Publication date Oct 5, 2017
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E04 - BUILDING
Information Patent Application
FIRE AND/OR WATER RESISTANT EXPANSION JOINT SYSTEM
- Publication number 20170268222
- Publication date Sep 21, 2017
- EMSEAL JOINT SYSTEMS LTD.
- Bill Witherspoon
- E04 - BUILDING
Information Patent Application
FIRE AND WATER RESISTANT EXPANSION JOINT SYSTEM
- Publication number 20170241132
- Publication date Aug 24, 2017
- EMSEAL JOINT SYSTEMS, LTD
- Bill Witherspoon
- E04 - BUILDING
Information Patent Application
FIRE RESISTANT TUNNEL EXPANSION JOINT SYSTEMS
- Publication number 20170226733
- Publication date Aug 10, 2017
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
FIRE AND WATER RESISTANT EXPANSION JOINT SYSTEM
- Publication number 20170130450
- Publication date May 11, 2017
- EMSEAL JOINT SYSTEMS, LTD
- Bill Witherspoon
- E04 - BUILDING
Information Patent Application
PRECOMPRESSED FOAM EXPANSION JOINT SYSTEM TRANSITION
- Publication number 20160208480
- Publication date Jul 21, 2016
- EMSEAL JOINT SYSTEMS, LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Application
PRECOMPRESSED FOAM EXPANSION JOINT SYSTEM TRANSITION
- Publication number 20160076240
- Publication date Mar 17, 2016
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E04 - BUILDING
Information Patent Application
WATER AND/OR FIRE RESISTANT TUNNEL EXPANSION JOINT SYSTEMS
- Publication number 20160047242
- Publication date Feb 18, 2016
- EMSEAL JOINT SYSTEMS, LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Application
EXPANSION JOINT SYSTEM
- Publication number 20150275508
- Publication date Oct 1, 2015
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E04 - BUILDING
Information Patent Application
FACTORY FABRICATED PRECOMPRESSED WATER AND/OR FIRE RESISTANT TUNNEL...
- Publication number 20150259905
- Publication date Sep 17, 2015
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E04 - BUILDING
Information Patent Application
FIRE AND WATER RESISTANT EXPANSION JOINT SYSTEM
- Publication number 20150068139
- Publication date Mar 12, 2015
- EMSEAL JOINT SYSTEMS, LTD
- Bill Witherspoon
- E04 - BUILDING
Information Patent Application
MOVEMENT-COMPENSATING PLATE ANCHOR
- Publication number 20150023755
- Publication date Jan 22, 2015
- EMSEAL JOINT SYSTEMS, LTD
- Lester Hensley
- E04 - BUILDING
Information Patent Application
FACTORY FABRICATED PRECOMPRESSED WATER AND/OR FIRE RESISTANT TUNNEL...
- Publication number 20140360118
- Publication date Dec 11, 2014
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E04 - BUILDING
Information Patent Application
EXPANSION JOINT SYSTEM
- Publication number 20140219719
- Publication date Aug 7, 2014
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
COILED PRECOMPRESSED, PRECOATED JOINT SEAL AND METHOD OF MAKING
- Publication number 20140151968
- Publication date Jun 5, 2014
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E04 - BUILDING
Information Patent Application
MOVEMENT-COMPENSATING PLATE ANCHOR
- Publication number 20130104483
- Publication date May 2, 2013
- EMSEAL JOINT SYSTEMS LTD.
- Lester Hensley
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Impregnated Foam
- Publication number 20080193738
- Publication date Aug 14, 2008
- Lester Hensley
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Bill Witherspoon

Person

Patents Grantslast 30 patents

Fire resistant expansion joint systems

Water and/or fire resistant tunnel expansion joint systems

Fire and water resistant expansion joint system

Fire and water resistant expansion joint system

Fire and/or water resistant expansion joint system

Fire and water resistant, integrated wall and roof expansion joint...

Water and/or fire resistant expansion joint system

Fire and/or water resistant expansion and seismic joint system

Fire and/or water resistant expansion and seismic joint system

Method of making a water resistant expansion joint system

Expansion joint system

Fire resistant tunnel expansion joint systems

Precompressed foam expansion joint system transition

Water and/or fire resistant tunnel expansion joint systems

Water and/or fire resistant expansion joint system

Precompressed foam expansion joint system transition

Precompressed foam expansion joint system transition

Expansion joint system

Fire and water resistant expansion and seismic joint system

Fire and water resistant expansion and seismic joint system

Movement-compensating plate anchor

Fire and water resistant expansion joint system

Fire and water resistant expansion joint system

Factory fabricated precompressed water and/or fire resistant expans...

Precompressed water and/or fire resistant tunnel expansion joint sy...

Fire and water resistant expansion joint system

Precompressed foam expansion joint system transition

Expansion joint system

Fire and water resistant expansion joint system

Movement-compensating plate anchor

Patents Applicationslast 30 patents

EXPANSION JOINT SEALING SYSTEM HAVING SHIELDING PROPERTIES

FIRE RESISTANT EXPANSION JOINT SYSTEMS

WATER AND/OR FIRE RESISTANT TUNNEL EXPANSION JOINT SYSTEMS

WATER AND/OR FIRE RESISTANT EXPANSION JOINT SYSTEM

METHOD OF MAKING A WATER RESISTANT EXPANSION JOINT SYSTEM

PRECOMPRESSED FOAM EXPANSION JOINT SYSTEM TRANSITION

EXPANSION JOINT SYSTEM

FIRE AND/OR WATER RESISTANT EXPANSION AND SEISMIC JOINT SYSTEM

FIRE AND WATER RESISTANT, INTEGRATED WALL AND ROOF EXPANSION JOINT...

WATER AND/OR FIRE RESISTANT EXPANSION JOINT SYSTEM

COILED PRECOMPRESSED, PRECOATED JOINT SEAL AND METHOD OF MAKING

FIRE AND/OR WATER RESISTANT EXPANSION JOINT SYSTEM

FIRE AND WATER RESISTANT EXPANSION JOINT SYSTEM

FIRE RESISTANT TUNNEL EXPANSION JOINT SYSTEMS

FIRE AND WATER RESISTANT EXPANSION JOINT SYSTEM

PRECOMPRESSED FOAM EXPANSION JOINT SYSTEM TRANSITION

PRECOMPRESSED FOAM EXPANSION JOINT SYSTEM TRANSITION

WATER AND/OR FIRE RESISTANT TUNNEL EXPANSION JOINT SYSTEMS

EXPANSION JOINT SYSTEM

FACTORY FABRICATED PRECOMPRESSED WATER AND/OR FIRE RESISTANT TUNNEL...

FIRE AND WATER RESISTANT EXPANSION JOINT SYSTEM

MOVEMENT-COMPENSATING PLATE ANCHOR

FACTORY FABRICATED PRECOMPRESSED WATER AND/OR FIRE RESISTANT TUNNEL...

EXPANSION JOINT SYSTEM

COILED PRECOMPRESSED, PRECOATED JOINT SEAL AND METHOD OF MAKING

MOVEMENT-COMPENSATING PLATE ANCHOR

Impregnated Foam