F16C 33/12
Structural composition
Official title: Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
F16C33/12 (Structural composition) appears on 1,189 US grants and 1,077 published applications in this corpus.
Search patents in F16C- Granted patents
- 1,189
- Published applications
- 1,077
- Assignees
- 491
- Inventors
- 2,289
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 10 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 14 | 0 |
| 1981 | 6 | 0 |
| 1982 | 11 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 12 | 0 |
| 1992 | 13 | 0 |
| 1993 | 15 | 0 |
| 1994 | 28 | 0 |
| 1995 | 20 | 0 |
| 1996 | 19 | 0 |
| 1997 | 18 | 0 |
| 1998 | 14 | 0 |
| 1999 | 25 | 0 |
| 2000 | 37 | 0 |
| 2001 | 39 | 10 |
| 2002 | 33 | 34 |
| 2003 | 32 | 48 |
| 2004 | 32 | 43 |
| 2005 | 27 | 25 |
| 2006 | 17 | 34 |
| 2007 | 18 | 27 |
| 2008 | 13 | 20 |
| 2009 | 13 | 40 |
| 2010 | 15 | 29 |
| 2011 | 16 | 29 |
| 2012 | 20 | 49 |
| 2013 | 13 | 52 |
| 2014 | 38 | 40 |
| 2015 | 42 | 59 |
| 2016 | 38 | 55 |
| 2017 | 44 | 59 |
| 2018 | 35 | 57 |
| 2019 | 55 | 59 |
| 2020 | 58 | 70 |
| 2021 | 56 | 64 |
| 2022 | 51 | 46 |
| 2023 | 40 | 44 |
| 2024 | 38 | 32 |
| 2025 | 29 | 28 |
| 2026 | 29 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sliding member29 Sep 2026US 12,747,753 B2Daido Metal Company Ltd.
- Bushing for claw machine crane29 Sep 2026US 12,747,754 B2Paokai Electronic Enterprise Co., Ltd.
- Bearing part22 Sep 2026US 12,742,476 B2Ntn Corporation
- Electric power steering gear with an anti-rotate feature18 Aug 2026US 12,709,321 B2ZF CV Systems Global GmbH
- Sliding material14 Jul 2026US 12,680,575 B2Sankyo Oilless Industry, Inc.
- Sliding member17 Sep 2026US 2026/0276038 A1Daido Metal Company Ltd.
- Self-lubricating universal joint27 Aug 2026US 2026/0251185 A1Array Tech, Inc.
- Surface treatment method for sliding members, and sliding member20 Aug 2026US 2026/0242955 A1Fuji Kihan Co., Ltd.
- Sliding member20 Aug 2026US 2026/0243298 A1Daido Metal Company Ltd.
- Sliding member20 Aug 2026US 2026/0243302 A1Daido Metal Company Ltd.
Most cited
By later US patents
- Sliding member119US 4,505,987 AMitsuya Seiko Co. Ltd. · 1985
- Vacuum impregnation of sintered materials with dry lubricant115US 4,655,610 AInternational Business Machines Corporation · 1987
- Prosthetic knee joint having at least one diamond articulation surface114US 7,077,867 B1Diamicron, Inc. · 2006
- Thin film treated drilling bit cones111US 4,054,426 A1977
- Composite bearing structure of alternating hard and soft metal, and process for making the same92US 4,474,861 ASmith International, Inc. · 1984