Patent holdings for IPC class E04H 4/08

Total number of patents in this class: 193

10-year publication summary

18
17
17
10
23
15
16
23
25
14
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Strong Industries, Inc.
206
30
Colhurst Concepts, LLC
11
11
Abrisud
16
8
Leisure Concepts, Inc.
23
8
1140398 Ontario Ltd.
9
7
Sundance Spas, Inc.
125
6
Parkson Corporation
126
5
bullfrog International, L.C.
83
4
Latham Pool Products, Inc.
183
4
Usspa, s.r.o.
11
4
Vortex Leisure Pty Ltd
11
4
Diveheart Foundation
8
3
Hot Tub Products, LLC
10
3
Hydropool Inc.
86
3
Wutpool, Inc.
10
3
Ec2m
5
3
Outdoor Elements
10
3
Becoflex S.A.
31
2
Belanger, Inc.
142
2
Bestway Inflatables & Material Corp.
424
2
Other owners 78