- 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 35/04 - Screw-bolts; Stay bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
Patent holdings for IPC class F16B 35/04
Total number of patents in this class: 619
10-year publication summary
|
66
|
66
|
64
|
68
|
49
|
51
|
69
|
36
|
55
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
16 |
| Mathread Inc. | 42 |
14 |
| Howmet Aerospace Inc. | 367 |
13 |
| Illinois Tool Works Inc. | 11152 |
11 |
| Aoyama Seisakusho Co., Ltd. | 77 |
10 |
| Amicus Veritatis Machinery Co., Ltd. | 42 |
9 |
| Nucor Corporation | 425 |
7 |
| Topura Co., Ltd. | 33 |
7 |
| Rtx Corporation | 8674 |
7 |
| Kamax Holding GmbH & Co. KG | 139 |
6 |
| Honda Motor Co., Ltd. | 24537 |
5 |
| Siemens AG | 24990 |
5 |
| Hilti Aktiengesellschaft | 3227 |
5 |
| EJOT GmbH & Co. KG | 111 |
5 |
| Physical Systems, Inc. | 43 |
5 |
| Simpson Strong-Tie Company, Inc. | 583 |
5 |
| Acument GmbH & Co. OHG | 20 |
4 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 332 |
4 |
| Cetres Holdings, LLC | 98 |
4 |
| Phillips Screw Company | 93 |
4 |
| Other owners | 473 |