B29C 48/151
Coating hollow articles
B29C48/151 (Coating hollow articles) appears on 625 US grants and 502 published applications in this corpus.
Search patents in B29C- Granted patents
- 625
- Published applications
- 502
- Assignees
- 415
- Inventors
- 1,226
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 14 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 9 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 17 | 4 |
| 2002 | 9 | 16 |
| 2003 | 16 | 22 |
| 2004 | 18 | 16 |
| 2005 | 4 | 17 |
| 2006 | 15 | 13 |
| 2007 | 9 | 20 |
| 2008 | 5 | 19 |
| 2009 | 6 | 23 |
| 2010 | 6 | 33 |
| 2011 | 13 | 19 |
| 2012 | 12 | 20 |
| 2013 | 19 | 25 |
| 2014 | 19 | 26 |
| 2015 | 18 | 33 |
| 2016 | 16 | 23 |
| 2017 | 21 | 24 |
| 2018 | 22 | 32 |
| 2019 | 28 | 20 |
| 2020 | 19 | 18 |
| 2021 | 17 | 26 |
| 2022 | 15 | 14 |
| 2023 | 17 | 15 |
| 2024 | 12 | 9 |
| 2025 | 13 | 15 |
| 2026 | 7 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multilayer permeation barrier for spoolable composite pipes14 Jul 2026US 12,680,630 B2Saudi Arabian Oil Company
- Tube assembly and method of forming same17 Mar 2026US 12,578,039 B2Parker-Hannifin Corporation
- Loose tube-type optical cable production device and production method3 Mar 2026US 12,564,992 B2Swcc Showa Cable Systems Co., Ltd.
- Coated pipe section and method for coating a pipe24 Feb 2026US 12,560,271 B22543500 Alberta Ltd B.D.A. Shaw Pipe Protection.
- Coated pipe section and method for coating a pipe24 Feb 2026US 12,560,272 B22543500 Alberta Ltd B.D.A. Shaw Pipe Protection.
- Method of coating a pipe4 Dec 2025US 2025/0369554 A1
- Reinforced hose30 Oct 2025US 2025/0334212 A1
- Tube/mandrel assemblies2 Oct 2025US 2025/0303656 A1Zeus Co., Ltd.
- Tube production, pre-insulated tubular rods4 Sep 2025US 2025/0276480 A1
- Equipment for Preparing Polyethylene Coating with Three-Layer Structure Wound on Steel Elbow4 Sep 2025US 2025/0276482 A1Wuxi Zhongyou Ruide Anticorrosion Technology Co.Ltd
Most cited
By later US patents
- Flexible tubular device for use in medical applications929US 5,573,520 AMayo Foundation for Medical Education and Research · 1996
- Tubing327US 5,533,985 A1996
- Method for manufacturing a tubular medical device275US 6,027,863 AIntraTherapeutics, Inc. · 2000
- Catheter with irregular inner and/or outer surfaces to reduce travelling friction248US 5,496,292 A1996
- Method of making catheter with irregular inner and/or outer surfaces to reduce travelling friction192US 5,244,619 A1993