- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensions; measuring angles; measuring areas; measuring irregularities of surfaces or contours
- G01B 21/14 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters
Patent holdings for IPC class G01B 21/14
Total number of patents in this class: 57
10-year publication summary
|
8
|
4
|
6
|
4
|
4
|
4
|
3
|
2
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IHI Corporation | 3268 |
6 |
| Sturm Maschinen- & Anlagenbau GmbH | 49 |
5 |
| Halliburton Energy Services, Inc. | 20165 |
4 |
| Micro-Epsilon Messtechnik GmbH & Co. KG | 117 |
3 |
| Vallourec Oil and Gas France | 450 |
3 |
| NEC Corporation | 32703 |
2 |
| Nikon Metrology, NV | 69 |
2 |
| Siemens Energy, Inc. | 1770 |
2 |
| Nippon Steel Corporation | 5649 |
2 |
| Schlumberger Technology Corporation | 9690 |
1 |
| The Boeing Company | 19843 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| The Yokohama Rubber Co., Ltd. | 3929 |
1 |
| Atomic Energy of Canada Limited | 132 |
1 |
| Chris-marine AB | 12 |
1 |
| Haimer GmbH | 73 |
1 |
| Harada Electronics Co., Ltd. | 18 |
1 |
| Namiki Seimitsu Houseki Kabushiki Kaisha | 171 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
1 |
| Other owners | 17 |