• All sections
  • E - Fixed constructions
  • E04C - Structural elementsbuilding materials
  • E04C 2/296 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups , , , or of materials covered by one of these groups with a material not specified in one of these groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material

Patent holdings for IPC class E04C 2/296

Total number of patents in this class: 285

10-year publication summary

27
24
23
20
23
23
25
17
27
19
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Composite Panel Systems, LLC
38
16
Louisiana-Pacific Corporation
268
9
Owens Corning Intellectual Capital, LLC
1626
8
Dow Global Technologies LLC
10479
5
AFI Licensing LLC
234
5
Saint-Gobain Isover
644
5
Armstrong World Industries, Inc.
351
4
Holcim Technology Ltd.
727
4
Propst Family Limited Partnership
15
4
DDP Specialty Electronic Materials US, LLC
841
4
Dow Global Technologies Inc.
797
3
Anhamm GmbH
3
3
FITS Holding B.V.
20
3
Johns Manville
951
3
Kingspan Holdings (IRL) Limited
447
3
LG Hausys, Ltd.
822
3
Sika Technology AG
2888
3
InnoVida Factories, Ltd.
6
3
Mac Investments B.V.
3
3
Tremco CPG Inc.
304
3
Other owners 191