F16C 33/20
Sliding surface consisting mainly of plastics
Official title: Sliding surface consisting mainly of plastics (F16C33/22 - F16C33/28 take precedence)
F16C33/20 (Sliding surface consisting mainly of plastics) appears on 1,372 US grants and 1,190 published applications in this corpus.
Search patents in F16C- Granted patents
- 1,372
- Published applications
- 1,190
- Assignees
- 639
- Inventors
- 2,610
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 18 | 0 |
| 1978 | 18 | 0 |
| 1979 | 10 | 0 |
| 1980 | 15 | 0 |
| 1981 | 18 | 0 |
| 1982 | 13 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 8 | 0 |
| 1986 | 14 | 0 |
| 1987 | 19 | 0 |
| 1988 | 21 | 0 |
| 1989 | 22 | 0 |
| 1990 | 20 | 0 |
| 1991 | 14 | 0 |
| 1992 | 22 | 0 |
| 1993 | 11 | 0 |
| 1994 | 23 | 0 |
| 1995 | 16 | 0 |
| 1996 | 22 | 0 |
| 1997 | 30 | 0 |
| 1998 | 33 | 0 |
| 1999 | 22 | 0 |
| 2000 | 28 | 0 |
| 2001 | 14 | 10 |
| 2002 | 28 | 27 |
| 2003 | 25 | 36 |
| 2004 | 18 | 48 |
| 2005 | 22 | 32 |
| 2006 | 21 | 23 |
| 2007 | 19 | 36 |
| 2008 | 13 | 45 |
| 2009 | 11 | 34 |
| 2010 | 21 | 39 |
| 2011 | 21 | 46 |
| 2012 | 22 | 39 |
| 2013 | 29 | 32 |
| 2014 | 44 | 72 |
| 2015 | 51 | 84 |
| 2016 | 54 | 73 |
| 2017 | 63 | 75 |
| 2018 | 62 | 64 |
| 2019 | 72 | 56 |
| 2020 | 53 | 71 |
| 2021 | 43 | 54 |
| 2022 | 64 | 68 |
| 2023 | 57 | 40 |
| 2024 | 40 | 28 |
| 2025 | 25 | 34 |
| 2026 | 21 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrically conductive overmolded hinge bushing6 Oct 2026US 12,753,795 B2Multimatic Inc.
- Bushing for claw machine crane29 Sep 2026US 12,747,754 B2Paokai Electronic Enterprise Co., Ltd.
- Outdoor exercise equipment15 Sep 2026US 12,734,397 B2Alpine Run, LLC
- Sliding member and slide bearing15 Sep 2026US 12,736,084 B2Taiho Kogyo Co., Ltd.
- Strut bearing assembly for vehicle4 Aug 2026US 12,698,798 B2Iljin Co., Ltd.
- Sustainable Sliding-Bearing Assembly24 Sep 2026US 2026/0287016 A1
- Sliding member for transport devices and resin composition27 Aug 2026US 2026/0250074 A1Global Polyacetal Co., Ltd.
- Elastomer bearings with bulging by compression27 Aug 2026US 2026/0251197 A1Vibracoustic SE
- Sliding member20 Aug 2026US 2026/0243298 A1Daido Metal Company Ltd.
- Torsional Equilibrium Suspension Bushing13 Aug 2026US 2026/0235161 A1Pullman Incorporated
Most cited
By later US patents
- Catheter pump211US 8,597,170 B2The Penn State Research Foundation · 2013
- Hydraulic operated systems utilizing self lubricating connectors142US 6,089,813 AMcNeilus Truck and Manufacturing, Inc. · 2000
- Method of forming a coating on a surface of a substrate122US 7,618,684 B2Innovatech, LLC · 2009
- Tapered hip joint socket98US 5,879,397 ACerasiv, GmbH Innovative Keramik Engineers · 1999
- Method of making a flanged braided bearing85US 4,983,240 AKamatics Corporation · 1991