John LETTS

Person

Carmel, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing isocyanate-based foam construction boards
- Patent number 12,006,414
- Issue date Jun 11, 2024
- HOLCIM TECHNOLOGY LTD
- John B. Letts
- E04 - BUILDING
Information Patent Grant
Process for producing isocyanate-based foam construction boards
- Patent number 11,999,833
- Issue date Jun 4, 2024
- HOLCIM TECHNOLOGY LTD
- John Letts
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyisocyanurate coverboards with improved fire resistance
- Patent number 11,913,222
- Issue date Feb 27, 2024
- HOLCIM TECHNOLOGY LTD
- John B. Letts
- E04 - BUILDING
Information Patent Grant
Encapsulated fragile insulation materials
- Patent number 11,618,235
- Issue date Apr 4, 2023
- HOLCIM TECHNOLOGY LTD
- Michael J. Hubbard
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyisocyanurate coverboards with improved fire resistance
- Patent number 11,242,681
- Issue date Feb 8, 2022
- Firestone Building Products Company, LLC
- John B. Letts
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing isocyanate-based foam construction boards
- Patent number 11,174,364
- Issue date Nov 16, 2021
- Firestone Building Products Company, LLC
- John Letts
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Isocyanate-based foam construction boards
- Patent number 10,870,987
- Issue date Dec 22, 2020
- Firestone Building Products Company, LLC
- John B. Letts
- B32 - LAYERED PRODUCTS
Information Patent Grant
Process for encapsulating fragile insulation materials within polyi...
- Patent number 10,611,066
- Issue date Apr 7, 2020
- Firestone Building Products Co., LLC
- John B. Letts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Construction boards with coated inorganic facer
- Patent number 10,450,741
- Issue date Oct 22, 2019
- Firestone Building Products Company, LLC
- John Letts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Construction boards with coated inorganic facer
- Patent number 10,000,922
- Issue date Jun 19, 2018
- Firestone Building Products Co., LLC
- John Letts
- E04 - BUILDING
Information Patent Grant
Fastening plate assembly
- Patent number 9,856,651
- Issue date Jan 2, 2018
- Firestone Building Products Co., LLC
- John B. Letts
- E04 - BUILDING
Information Patent Grant
High density polyurethane and polyisocyanurate construction boards...
- Patent number 9,221,234
- Issue date Dec 29, 2015
- Firestone Building Products Company, LLC
- John Letts
- B32 - LAYERED PRODUCTS
Information Patent Grant
High density polyurethane and polyisocyanurate construction boards...
- Patent number 8,453,390
- Issue date Jun 4, 2013
- Firestone Building Products Company, LLC
- John Letts
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for producing and monitoring the compressive strength of foa...
- Patent number 8,153,039
- Issue date Apr 10, 2012
- Firestone Building Products Co., LLC
- Timothy Tackett
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Construction boards with improved facers
- Patent number 8,142,903
- Issue date Mar 27, 2012
- Firestone Building Products Co., LLC
- John B. Letts
- B32 - LAYERED PRODUCTS
Information Patent Grant
Insulation boards and methods for their manufacture
- Patent number 8,106,106
- Issue date Jan 31, 2012
- Firestone Building Products Company, LLC
- John B. Letts
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and apparatus to monitor the compressive strength of insulat...
- Patent number 7,987,730
- Issue date Aug 2, 2011
- Timothy Tackett
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
High density polyurethane and polyisocyanurate construction boards...
- Patent number 7,972,688
- Issue date Jul 5, 2011
- John B. Letts
- B32 - LAYERED PRODUCTS
Information Patent Grant
Insulation boards and methods for their manufacture
- Patent number 7,838,568
- Issue date Nov 23, 2010
- BFS Diversified Products, LLC
- John B. Letts
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Insulation boards and methods for their manufacture
- Patent number 7,612,120
- Issue date Nov 3, 2009
- BFS Diversified Products, LLC
- John B. Letts
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and apparatus to monitor the compressive strength of insulat...
- Patent number 7,387,753
- Issue date Jun 17, 2008
- BFS Diversified PRoducts, LLC
- Timothy Tackett
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Two-part polyurethane adhesive for bonding insulation boards to a r...
- Patent number 7,205,374
- Issue date Apr 17, 2007
- BFS Diversified Products, LLC
- John W. Fieldhouse
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Roofing members without auxiliary facers and related methods
- Patent number 6,117,375
- Issue date Sep 12, 2000
- Bridgestone/Firestone, Inc.
- Allen M. Garrett
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Composite roofing members having improved dimensional stability and...
- Patent number 6,044,604
- Issue date Apr 4, 2000
- Bridgestone/Firestone, Inc.
- Thomas M. Clayton
- E04 - BUILDING
Information Patent Grant
Metal roof sealing system and method
- Patent number 5,950,383
- Issue date Sep 14, 1999
- Bridgestone Corporation
- Robert B. Williamson
- E04 - BUILDING
Information Patent Grant
Polyisocyanurate boards with reduced moisture absorbency and lower...
- Patent number 5,891,563
- Issue date Apr 6, 1999
- Bridgestone/Firestone, Inc.
- John B. Letts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Composite roofing members having improved dimensional stability and...
- Patent number 5,735,092
- Issue date Apr 7, 1998
- Bridgestone/Firestone, Inc.
- Thomas M. Clayton
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20240327592
- Publication date Oct 3, 2024
- HOLCIM TECHNOLOGY LTD
- John B. LETTS
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20240309160
- Publication date Sep 19, 2024
- HOLCIM TECHNOLOGY LTD
- John LETTS
- B32 - LAYERED PRODUCTS
Information Patent Application
FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE
- Publication number 20240149551
- Publication date May 9, 2024
- HOLCIM TECHNOLOGY LTD
- Chunhua YAO
- B32 - LAYERED PRODUCTS
Information Patent Application
ENCAPSULATED FRAGILE INSULATION MATERIALS
- Publication number 20230234323
- Publication date Jul 27, 2023
- HOLCIM TECHNOLOGY LTD
- Michael J. HUBBARD
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20220251320
- Publication date Aug 11, 2022
- Firestone Building Products Company, LLC
- John B. Letts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE
- Publication number 20220154453
- Publication date May 19, 2022
- Firestone Building Products Company, LLC
- John B. Letts
- E04 - BUILDING
Information Patent Application
CONSTRUCTION BOARDS WITH FOIL-CONTAINING FACERS
- Publication number 20220088899
- Publication date Mar 24, 2022
- Firestone Building Products Company, LLC
- John B. LETTS
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20220056234
- Publication date Feb 24, 2022
- Firestone Building Products Company, LLC
- John B. Letts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20220049063
- Publication date Feb 17, 2022
- John LETTS
- B32 - LAYERED PRODUCTS
Information Patent Application
ENCAPSULATED FRAGILE INSULATION MATERIALS
- Publication number 20220001642
- Publication date Jan 6, 2022
- Firestone Building Products Company, LLC
- Michael J. HUBBARD
- B32 - LAYERED PRODUCTS
Information Patent Application
ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED C...
- Publication number 20210198527
- Publication date Jul 1, 2021
- Firestone Building Products Company, LLC
- Michael J. Hubbard
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE
- Publication number 20210108408
- Publication date Apr 15, 2021
- Firestone Building Products Company, LLC
- John B. Letts
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20210095090
- Publication date Apr 1, 2021
- Firestone Building Products Company, LLC
- John B. LETTS
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS...
- Publication number 20200299968
- Publication date Sep 24, 2020
- Firestone Building Products Company, LLC
- Gregory A. Brandt
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR ENCAPSULATING FRAGILE INSULATION MATERIALS WITHIN POLYI...
- Publication number 20200206988
- Publication date Jul 2, 2020
- Firestone Building Products Company, LLC
- John B LETTS
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE
- Publication number 20200055275
- Publication date Feb 20, 2020
- Firestone Building Products Company, LLC
- Chunhua Yao
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20200017654
- Publication date Jan 16, 2020
- Firestone Building Products Company, LLC
- John B. Letts
- B32 - LAYERED PRODUCTS
Information Patent Application
CONSTRUCTION BOARDS WITH COATED INORGANIC FACER
- Publication number 20200011050
- Publication date Jan 9, 2020
- Firestone Building Products Company, LLC
- John LETTS
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20190225766
- Publication date Jul 25, 2019
- Firestone Building Products Company, LLC
- John B. Letts
- B32 - LAYERED PRODUCTS
Information Patent Application
HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS...
- Publication number 20190194947
- Publication date Jun 27, 2019
- FIRESTONE BUILDING PRODUCTS CO., LLC
- Gregory A. BRANDT
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED C...
- Publication number 20190186124
- Publication date Jun 20, 2019
- Firestone Building Products Company, LLC
- Michael J. Hubbard
- B32 - LAYERED PRODUCTS
Information Patent Application
FOAM CONSTRUCTION BOARDS WITH EXPANDABLE GRAPHITE
- Publication number 20190061313
- Publication date Feb 28, 2019
- Firestone Building Products Company, LLC
- Chunhua Yao
- E04 - BUILDING
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20180355136
- Publication date Dec 13, 2018
- Firestone Building Products Company, LLC
- John Letts
- B32 - LAYERED PRODUCTS
Information Patent Application
CONSTRUCTION BOARDS WITH COATED INORGANIC FACER
- Publication number 20180320366
- Publication date Nov 8, 2018
- FIRESTONE BUILDING PRODUCTS CO., LLC
- John Letts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE
- Publication number 20180320370
- Publication date Nov 8, 2018
- FIRESTONE BUILDING PRODUCTS CO., LLC
- John B. LETTS
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS...
- Publication number 20180087277
- Publication date Mar 29, 2018
- FIRESTONE BUILDING PRODUCTS CO., LLC
- Gregory A. BRANDT
- B32 - LAYERED PRODUCTS
Information Patent Application
INSULATION DEVICES INCLUDING VACUUM-INSULATED CAPSULES
- Publication number 20170335563
- Publication date Nov 23, 2017
- Firestone Building Products Co., LLC
- Michael J. HUBBARD
- B32 - LAYERED PRODUCTS
Information Patent Application
CONSTRUCTION BOARDS WITH COATED FACERS
- Publication number 20170328062
- Publication date Nov 16, 2017
- FIRESTONE BUILDING PRODUCTS CO., LLC
- John B. LETTS
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20170137557
- Publication date May 18, 2017
- Firestone Building Products Co., LLC
- Chunhua YAO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR ENCAPSULATING FRAGILE INSULATION MATERIALS WITHIN POLYI...
- Publication number 20170015027
- Publication date Jan 19, 2017
- Firestone Building Products Co., LLC
- John B. LETTS
- E04 - BUILDING

Person

Patents Grantslast 30 patents

Process for producing isocyanate-based foam construction boards

Process for producing isocyanate-based foam construction boards

Polyisocyanurate coverboards with improved fire resistance

Encapsulated fragile insulation materials

Polyisocyanurate coverboards with improved fire resistance

Process for producing isocyanate-based foam construction boards

Isocyanate-based foam construction boards

Process for encapsulating fragile insulation materials within polyi...

Construction boards with coated inorganic facer

Construction boards with coated inorganic facer

Fastening plate assembly

High density polyurethane and polyisocyanurate construction boards...

High density polyurethane and polyisocyanurate construction boards...

Method for producing and monitoring the compressive strength of foa...

Construction boards with improved facers

Insulation boards and methods for their manufacture

Method and apparatus to monitor the compressive strength of insulat...

High density polyurethane and polyisocyanurate construction boards...

Insulation boards and methods for their manufacture

Insulation boards and methods for their manufacture

Method and apparatus to monitor the compressive strength of insulat...

Two-part polyurethane adhesive for bonding insulation boards to a r...

Roofing members without auxiliary facers and related methods

Composite roofing members having improved dimensional stability and...

Metal roof sealing system and method

Polyisocyanurate boards with reduced moisture absorbency and lower...

Composite roofing members having improved dimensional stability and...

Patents Applicationslast 30 patents

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE

ENCAPSULATED FRAGILE INSULATION MATERIALS

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE

CONSTRUCTION BOARDS WITH FOIL-CONTAINING FACERS

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

ENCAPSULATED FRAGILE INSULATION MATERIALS

ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED C...

POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE

ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS...

PROCESS FOR ENCAPSULATING FRAGILE INSULATION MATERIALS WITHIN POLYI...

FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

CONSTRUCTION BOARDS WITH COATED INORGANIC FACER

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS...

ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED C...

FOAM CONSTRUCTION BOARDS WITH EXPANDABLE GRAPHITE

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

CONSTRUCTION BOARDS WITH COATED INORGANIC FACER

POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS...

INSULATION DEVICES INCLUDING VACUUM-INSULATED CAPSULES

CONSTRUCTION BOARDS WITH COATED FACERS

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

PROCESS FOR ENCAPSULATING FRAGILE INSULATION MATERIALS WITHIN POLYI...