Inventor profile of:

John B. Letts

City:

Carmel, Indiana

Country:

United States

Published Applications:

47

Last publication date:

2025-07-15

Top Assignees for applications by John B. Letts

The entities that hold a legal rights for patent applications filed by inventor Letts John B.:

Recent patent applications by Letts John B.

John B. Letts from Carmel, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-07-15
US17577989
Performing operations; transporting

Process to yield foam construction boards with low surface irregularities

#2 | 2025-07-10
US20250222636A1
Performing operations; transporting

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

#3 | 2025-04-01
US17568265
Performing operations; transporting

Process for producing isocyanate-based foam construction boards

#4 | 2024-10-03
US20240327592A1
Chemistry; metallurgy

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

#5 | 2024-05-09
US20240149551A1
Performing operations; transporting

FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE

#6 | 2023-07-27
US20230234323A1
Performing operations; transporting

ENCAPSULATED FRAGILE INSULATION MATERIALS

#7 | 2022-08-11
US20220251320A1
Chemistry; metallurgy

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

#8 | 2022-05-19
US20220154453A1
Fixed constructions

Polyisocyanurate coverboards with improved fire resistance

#9 | 2022-03-24
US20220088899A1
Performing operations; transporting

CONSTRUCTION BOARDS WITH FOIL-CONTAINING FACERS

#10 | 2022-02-24
US20220056234A1
Chemistry; metallurgy

Process for producing isocyanate-based foam construction boards

#11 | 2022-01-06
US20220001642A1
Performing operations; transporting

Encapsulated fragile insulation materials

#12 | 2021-07-01
US20210198527A1
Chemistry; metallurgy

ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED CAPSULES

#13 | 2021-04-15
US20210108408A1
Fixed constructions

Polyisocyanurate coverboards with improved fire resistance

#14 | 2021-04-01
US20210095090A1
Chemistry; metallurgy

Isocyanate-based foam construction boards

#15 | 2020-12-22
US16209038
Fixed constructions

Isocyanate-based foam construction boards

#16 | 2020-09-24
US20200299968A1
Fixed constructions

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS AND COMPOSITE BOARDS

#17 | 2020-07-02
US20200206988A1
Performing operations; transporting

Process for encapsulating fragile insulation materials within polyisocyanurate

#18 | 2020-02-20
US20200055275A1
Performing operations; transporting

FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE

#19 | 2020-01-16
US20200017654A1
Chemistry; metallurgy

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

#20 | 2019-07-25
US20190225766A1
Chemistry; metallurgy

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

#21 | 2019-06-27
US20190194947A1
Fixed constructions

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS AND COMPOSITE BOARDS

#22 | 2019-06-20
US20190186124A1
Fixed constructions

ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED CAPSULES

#23 | 2018-11-08
US20180320370A1
Fixed constructions

POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE

#24 | 2018-03-29
US20180087277A1
Fixed constructions

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS AND COMPOSITE BOARDS

#25 | 2017-11-16
US20170328062A1
Fixed constructions

CONSTRUCTION BOARDS WITH COATED FACERS

#26 | 2017-01-19
US20170015027A1
Performing operations; transporting

Process for encapsulating fragile insulation materials within polyisocyanurate

#27 | 2016-12-22
US20160369510A1
Fixed constructions

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS AND COMPOSITE BOARDS

#28 | 2016-06-16
US20160168853A1
Fixed constructions

CONSTRUCTION BOARDS WITH COATED FACERS

#29 | 2013-06-27
US20130164524A1
Fixed constructions

CONSTRUCTION BOARDS WITH COATED FACERS

#30 | 2013-02-14
US20130036694A1
Fixed constructions

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS AND COMPOSITE BOARDS

#31 | 2012-12-13
US20120311951A1
Fixed constructions

Fastening plate assembly

#32 | 2012-07-05
US20120167510A1
Fixed constructions

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS AND COMPOSITE BOARDS

#33 | 2012-07-05
US20120167509A1
Fixed constructions

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS AND COMPOSITE BOARDS

#34 | 2011-09-08
US20110214387A1
Fixed constructions

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS AND COMPOSITE BOARDS

#35 | 2011-09-08
US20110214373A1
Fixed constructions

HIGH DENSITY POLYURETHANE AND POLYISOCYANURATE CONSTRUCTION BOARDS AND COMPOSITE BOARDS

#36 | 2011-01-20
US20110015289A1
Chemistry; metallurgy

Insulation boards and methods for their manufacture

#37 | 2010-11-23
US10632343
-

Insulation boards and methods for their manufacture

#38 | 2010-06-03
US20100136318A1
Fixed constructions

Construction boards with improved facers

#39 | 2009-12-31
US20090326090A1
Chemistry; metallurgy

INSULATION BOARDS AND METHODS FOR THEIR MANUFACTURE

#40 | 2009-11-03
US10640895
-

Insulation boards and methods for their manufacture

#41 | 2009-02-19
US20090048361A1
Performing operations; transporting

Method for producing and monitoring the compressive strength of foam insulation board

#42 | 2009-02-19
US20090044632A1
Performing operations; transporting

Method and apparatus to monitor the compressive strength of insulation boards

#43 | 2007-12-27
US20070295467A1
Fixed constructions

Mold resistant construction boards and methods for their manufacture

#44 | 2007-04-17
US10683050
-

Two-part polyurethane adhesive for bonding insulation boards to a roof deck

#45 | 2006-08-17
US20060179749A1
Fixed constructions

High density polyurethane and polyisocyanurate construction boards and composite boards

#46 | 2006-06-15
US20060127664A1
Performing operations; transporting

Tough and durable insulation boards produced in-part with scrap rubber materials and related methods

#47 | 2006-02-09
US20060027948A1
Fixed constructions

Mold resistant construction boards and methods for their manufacture

InventorID:

82819 ⎘