- All sections
- G - Physics
- G01C - Measuring distances, levels or bearingssurveyingnavigationgyroscopic instrumentsphotogrammetry or videogrammetry
- G01C 5/04 - Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points
Patent holdings for IPC class G01C 5/04
Total number of patents in this class: 30
10-year publication summary
|
2
|
2
|
2
|
4
|
4
|
1
|
1
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10532 |
3 |
| RAG Aktiengesellschaft | 29 |
3 |
| Centre National de La Recherche Scientifique | 11092 |
2 |
| Fidia S.p.A. | 16 |
2 |
| Universite de Montpellier | 1043 |
2 |
| Norges Geotekniske Institutt | 6 |
2 |
| Profacere s.r.l. | 5 |
2 |
| Guangdong Runyu Sensor Co., Ltd | 8 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3387 |
1 |
| Toyota Motor Corporation | 36092 |
1 |
| AGISCO S.r.l. | 1 |
1 |
| Carl Zeiss Industrielle Messtechnik GmbH | 430 |
1 |
| Instituto Politecnico do Porto | 5 |
1 |
| Milwaukee Electric Tool Corporation | 5026 |
1 |
| Universidad Catolica del Norte | 25 |
1 |
| Universidad Tecnica Federico Santa Maria | 129 |
1 |
| Universidade do Porto | 285 |
1 |
| Adam A. Olshefsky | 1 |
1 |
| Vuyk Technology Holdings, LLC | 8 |
1 |
| Osprey Measurement Systems LTD | 1 |
1 |
| Other owners | 0 |