- All sections
- E - Fixed constructions
- E01H - Street cleaningcleaning of permanent wayscleaning beachescleaning landdispersing fog in general
- E01H 4/02 - Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow for sporting purposes, e.g. preparation of ski trails
Patent holdings for IPC class E01H 4/02
Total number of patents in this class: 159
10-year publication summary
|
19
|
10
|
14
|
17
|
13
|
17
|
16
|
9
|
12
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Prinoth S.p.A. | 174 |
81 |
| Kässbohrer Geländefahrzeug AG | 103 |
12 |
| Rolic Invest S.ar.l. | 33 |
11 |
| Skadii GmbH | 11 |
6 |
| Prinoth Ltd. | 43 |
5 |
| Snow Secure Oy | 13 |
5 |
| Prinoth S.p.A. | 8 |
4 |
| Greins Environmental Technologies Inc. | 3 |
3 |
| Kaessbohrer Gelaendefahrzeug AG | 18 |
3 |
| Ice Guard Oy | 10 |
2 |
| Resurfice Corp. | 4 |
2 |
| Engo S.r.l. | 4 |
2 |
| Latec Machine Control Inc. | 8 |
2 |
| WM Technics S.r.l. | 4 |
2 |
| Appareo Systems, LLC | 17 |
1 |
| Aztec | 3 |
1 |
| Bombardier Inc. | 759 |
1 |
| CeramTec GmbH | 331 |
1 |
| Frank J. Zamboni & Co., Inc. | 25 |
1 |
| Learjet Inc. | 74 |
1 |
| Other owners | 13 |