Patent holdings for IPC class B01F 33/50

Total number of patents in this class: 12

10-year publication summary

0
0
0
0
5
0
3
1
3
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
EnviroTech Water Treatment L.L.C.
3
3
Invent Umwelt-und Verfahrenstechnik AG
130
2
King Technology, Inc.
292
2
Schlumberger Technology Corporation
11471
1
Stewart & Stevenson LLC
125
1
FRS Group, LLC
25
1
Ecomat Fabricacion de Equipos, S.L.
2
1
Applegate Greenfiber Acquisition, LLC
5
1
Other owners 0