Patents/Inventors

John B. Letts

Carmel, INUS9 patents

8 Patents

US123581902025
Process to Yield Foam Construction Boards with Low Surface Irregularities
Holcim Technology Ltd
0 cites
US123375812025
Construction Boards with Foil-containing Facers
Holcim Technology Ltd
0 cites
US123053852025
Process for Encapsulating Fragile Insulation Materials Within Polyisocyanurate
Holcim Technology Ltd
0 cites
US122916202025
Isocyanate-based Foam Construction Boards
Holcim Technology Ltd
0 cites
US122636222025
Process for Producing Isocyanate-based Foam Construction Boards
Holcim Technology Ltd
0 cites
US120064142024
Process for Producing Isocyanate-based Foam Construction Boards
Holcim Technology Ltd
0 cites
US119132222024
Polyisocyanurate Coverboards with Improved Fire Resistance
Holcim Technology Ltd
0 cites
US116182352023
Encapsulated Fragile Insulation Materials
Holcim Technology Ltd
0 cites