Patent holdings for IPC class E01B 31/06

Total number of patents in this class: 15

10-year publication summary

1
2
1
1
2
0
3
0
1
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Stanley Black & Decker, Inc.
587
3
Herzog Railroad Services, Inc.
48
3
BNSF Railway Company
328
2
Geismar
13
2
Cembre S.p.A.
81
1
Hougen Manufacturing, Inc.
23
1
TUCKER GmbH
54
1
Magswitch Technology Korea Co., Ltd
1
1
DD Pneu s.r.o.
2
1
Other owners 0