- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring 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: 33
10-year publication summary
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3
|
3
|
4
|
2
|
2
|
2
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covidien LP | 10645 |
3 |
| Grant Prideco, L.P. | 24 |
3 |
| Nippon Steel Corporation | 6238 |
3 |
| Vallourec Mannesmann Oil & Gas France | 62 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| Vallourec Oil and Gas France | 454 |
2 |
| Dai-Ichi Sokuhan Works Co. | 4 |
2 |
| Nippon Steel Corporation | 28 |
2 |
| Siemens AG | 24484 |
1 |
| Robert Bosch GmbH | 42689 |
1 |
| Aircelle | 478 |
1 |
| CITIC Dicastal CO., LTD | 560 |
1 |
| GAGEMAKER, LP, Gagemaker Management, LLC | 20 |
1 |
| Loop LLC | 3 |
1 |
| National Sun Yat-Sen University | 201 |
1 |
| Niigata Seiki Co., Ltd. | 7 |
1 |
| OSG Corporation | 350 |
1 |
| Sensima Inspection Sàrl | 10 |
1 |
| Sumitomo Metal Industries, Ltd. | 380 |
1 |
| Leitech Instruments ApS | 2 |
1 |
| Other owners | 1 |