- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16B - Devices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges; joints or jointing
- F16B 25/04 - Screws that form threads in the body into which they are screwed, e.g. wood screws, self-tapping screws by a slicing and material displacing action, e.g. wood screws with sharp thread crests
Patent holdings for IPC class F16B 25/04
Total number of patents in this class: 55
10-year publication summary
|
5
|
2
|
8
|
2
|
1
|
2
|
4
|
2
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3227 |
5 |
| The Hillman Group, Inc. | 374 |
4 |
| Illinois Tool Works Inc. | 11152 |
3 |
| Topura Co., Ltd. | 33 |
3 |
| 1833236 Ontario Inc. | 5 |
2 |
| Aoyama Seisakusho Co., Ltd. | 77 |
2 |
| Nitto Seiko Co., Ltd. | 63 |
2 |
| Taiwan Shan Yin Int'l Co., Ltd. | 7 |
2 |
| Unisteel Technology Limited | 5 |
2 |
| Universal Fastener Outsourcing, LLC | 14 |
2 |
| Walther, Gerda | 4 |
2 |
| Walther, Uli | 2 |
2 |
| Seoul Metal Co., Ltd. | 7 |
2 |
| NTN Corporation | 5008 |
1 |
| Call, Franklin Jiri | 1 |
1 |
| Essence Method Refine Co., Ltd. | 11 |
1 |
| ESSVE Produkter AB | 32 |
1 |
| Fushang Co., Ltd | 6 |
1 |
| Grk Canada Ltd. | 4 |
1 |
| Ideal Fasteners Pty Ltd | 1 |
1 |
| Other owners | 15 |