- All sections
- C - Chemistrymetallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag woolsupplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 23/049 - Re-forming tubes or rods by pressing
Patent holdings for IPC class C03B 23/049
Total number of patents in this class: 34
10-year publication summary
|
6
|
6
|
4
|
1
|
3
|
1
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10518 |
5 |
| R.Y.L. Inc. | 40 |
5 |
| SCHOTT AG | 1745 |
4 |
| Nikon Corporation | 7229 |
3 |
| Heraeus Quartz America LLC | 7 |
2 |
| Pacific Vial Mfg. Inc. | 8 |
2 |
| Stevanato Group SpA | 78 |
2 |
| SCHOTT Pharma AG & Co. KGaA | 122 |
2 |
| Gerresheimer Bünde GmbH | 27 |
1 |
| Gerresheimer Regensburg GmbH | 88 |
1 |
| Heraeus Quarzglas GmbH & Co. KG | 416 |
1 |
| Hunan University | 185 |
1 |
| Ishihara Sangyo Co., Ltd. | 6 |
1 |
| Nippon Electric Glass Co., Ltd. | 2561 |
1 |
| SCHOTT Schweiz AG | 17 |
1 |
| SCHOTT Pharma Schweiz AG | 120 |
1 |
| Advanced Semiconductor Manufacturing Innovation Center , Wuxi Xishan District | 2 |
1 |
| Other owners | 0 |