- All sections
- B - Performing operations; transporting
- B26D - Cutting; details common to machines for perforating, punching, cutting-out, stamping-out or severing
- B26D 3/28 - Splitting layers from work; Mutually separating layers by cutting
Patent holdings for IPC class B26D 3/28
Total number of patents in this class: 300
10-year publication summary
|
45
|
40
|
37
|
39
|
32
|
32
|
22
|
26
|
20
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Urschel Laboratories, Inc. | 258 |
42 |
| Progressive International Corporation | 257 |
16 |
| Fam | 51 |
6 |
| Whirlpool Corporation | 4238 |
5 |
| Frito-Lay Trading Company GmbH | 253 |
5 |
| Kabushiki Kaisya Leben Hanbai | 42 |
5 |
| Genius GmbH | 86 |
4 |
| Helen of Troy Limited | 1767 |
4 |
| King's Flair Development Ltd. | 22 |
4 |
| Seki Press Co Ltd. | 11 |
4 |
| Titeflex Corporation | 82 |
4 |
| Marel Salmon A/S | 66 |
4 |
| Viking Technologies, LLC | 4 |
4 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| Airex AG | 63 |
3 |
| Boerner Kunststoff- und Metallwarenfabrik GmbH | 5 |
3 |
| Edlund Company, LLC | 26 |
3 |
| Fecken-Kirfel GmbH & Co. KG | 10 |
3 |
| Kabushiki Kaisha Audio-Technica | 148 |
3 |
| King Abdulaziz University | 511 |
3 |
| Other owners | 172 |