Patent holdings for IPC class E04H 12/30

Total number of patents in this class: 12

10-year publication summary

0
3
0
1
1
1
3
0
1
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Pittsburg Tank & Tower Group
3
3
Arranged BVBA
7
2
CB&I STS Delaware LLC.
75
2
Caldwell Tanks, Inc.
6
1
So.l.e.s. - Societa Lavori Edili e Serbatoi S.p.A.
5
1
VSL International AG
92
1
Vergnet Hydro
4
1
GOSSEN, Ulrike
1
1
Other owners 0