- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensions; measuring angles; measuring areas; measuring irregularities of surfaces or contours
- G01B 3/48 - Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable for internal screw threads
Patent holdings for IPC class G01B 3/48
Total number of patents in this class: 35
10-year publication summary
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3
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3
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4
|
2
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2
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2
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0
|
1
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0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6012 |
6 |
| Covidien LP | 10645 |
3 |
| Grant Prideco, L.P. | 24 |
3 |
| Vallourec Mannesmann Oil & Gas France | 64 |
3 |
| Vallourec Oil and Gas France | 461 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| Dai-Ichi Sokuhan Works Co. | 3 |
2 |
| Siemens AG | 24565 |
1 |
| Robert Bosch GmbH | 41786 |
1 |
| Aircelle | 482 |
1 |
| CITIC Dicastal CO., LTD | 557 |
1 |
| GAGEMAKER, LP, Gagemaker Management, LLC | 20 |
1 |
| Loop LLC | 3 |
1 |
| National Sun Yat-Sen University | 188 |
1 |
| Niigata Seiki Co., Ltd. | 7 |
1 |
| OSG Corporation | 359 |
1 |
| Sensima Inspection Sàrl | 10 |
1 |
| Sumitomo Metal Industries, Ltd. | 419 |
1 |
| Leitech Instruments ApS | 2 |
1 |
| Eisen Co., Ltd. | 1 |
1 |
| Other owners | 0 |