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Xiaofeng Tang
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Malvern, PA, US
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Patents Grants
last 30 patents
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Patent Grant
Roofing products with zones of algae-resistant granules and method...
Patent number
11,713,579
Issue date
Aug 1, 2023
CertainTeed LLC
Xiaofeng Tang
E04 - BUILDING
Information
Patent Grant
Reduced weight, multi-layer roofing shingles and methods for instal...
Patent number
11,708,696
Issue date
Jul 25, 2023
CertainTeed LLC
Xiaofeng Tang
E04 - BUILDING
Information
Patent Grant
Roofing products with zones of algae-resistant granules and method...
Patent number
11,118,354
Issue date
Sep 14, 2021
CertainTeed LLC
Xiaofeng Tang
E04 - BUILDING
Patents Applications
last 30 patents
Information
Patent Application
REDUCED WEIGHT, MULTI-LAYER ROOFING SHINGLES AND METHODS FOR INSTAL...
Publication number
20240076874
Publication date
Mar 7, 2024
CertainTeed LLC
Xiaofeng Tang
E04 - BUILDING
Information
Patent Application
ROOFING PRODUCTS WITH ZONES OF ALGAE-RESISTANT GRANULES AND METHOD...
Publication number
20240068238
Publication date
Feb 29, 2024
CertainTeed LLC
Xiaofeng Tang
E04 - BUILDING
Information
Patent Application
ROOFING GRANULE MIXTURES FOR ALGAE-RESISTANT ROOFING SHINGLES
Publication number
20230235558
Publication date
Jul 27, 2023
CertainTeed LLC
Xiaofeng Tang
E04 - BUILDING
Information
Patent Application
ALGAECIDAL ROOFING GRANULES, ROOFING PRODUCTS INCLUDING THEM, AND M...
Publication number
20220154470
Publication date
May 19, 2022
CertainTeed LLC
Xiaofeng Tang
E04 - BUILDING
Information
Patent Application
REDUCED WEIGHT, MULTI-LAYER ROOFING SHINGLES AND METHODS FOR INSTAL...
Publication number
20220098864
Publication date
Mar 31, 2022
CertainTeed LLC
Xiaofeng Tang
B32 - LAYERED PRODUCTS
Information
Patent Application
ROOFING PRODUCTS WITH ZONES OF ALGAE-RESISTANT GRANULES AND METHOD...
Publication number
20220064956
Publication date
Mar 3, 2022
CertainTeed LLC
Xiaofeng Tang
E04 - BUILDING
Information
Patent Application
ROOFING PRODUCTS WITH ZONES OF ALGAE-RESISTANT GRANULES AND METHOD...
Publication number
20200208405
Publication date
Jul 2, 2020
CertainTeed Corporation
Xiaofeng Tang
E04 - BUILDING