B29C 63/48
Preparation of the surfaces
B29C63/48 (Preparation of the surfaces) appears on 181 US grants and 226 published applications in this corpus.
Search patents in B29C- Granted patents
- 181
- Published applications
- 226
- Assignees
- 173
- Inventors
- 492
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 2 |
| 2002 | 8 | 5 |
| 2003 | 4 | 7 |
| 2004 | 4 | 11 |
| 2005 | 3 | 9 |
| 2006 | 3 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 8 |
| 2009 | 0 | 7 |
| 2010 | 3 | 8 |
| 2011 | 2 | 7 |
| 2012 | 5 | 13 |
| 2013 | 9 | 12 |
| 2014 | 10 | 8 |
| 2015 | 9 | 11 |
| 2016 | 12 | 10 |
| 2017 | 4 | 12 |
| 2018 | 5 | 8 |
| 2019 | 9 | 10 |
| 2020 | 11 | 16 |
| 2021 | 7 | 11 |
| 2022 | 8 | 12 |
| 2023 | 7 | 13 |
| 2024 | 15 | 10 |
| 2025 | 1 | 9 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Film trimming device and method23 Dec 2025US 12,502,822 B23M Innovative Properties Company
- Preparation method of PTFE-based membrane for preventing and removing ices covering wind turbine blades and use thereof31 Dec 2024US 12,179,413 B2China Three Gorges Corporation
- Tile manufacturing process31 Dec 2024US 12,179,414 B2R-Tek Manufacturing Limited
- Method and system for manufacturing hybrid component24 Dec 2024US 12,172,364 B2Hyundai Motor Company
- Peelable resealable membrane for containers24 Dec 2024US 12,172,798 B2Sonoco Development, Inc.
- Process for producing a composite component comprising at least one metal layer and one polymer layer2 Apr 2026US 2026/0091562 A1BASF SE
- Film forming apparatus22 Jan 2026US 2026/0021626 A1Taikisha Ltd.
- Method of applying rubber lining to the internal surface of piping and fittings23 Oct 2025US 2025/0326179 A1ContiTech USA, Inc.
- Tool Conveying Device and Heat Shrink Equipment18 Sep 2025US 2025/0289175 A1TE Connectivity Solutions GmbH
- Tube production, pre-insulated tubular rods4 Sep 2025US 2025/0276480 A1
Most cited
By later US patents
- Method of salvaging a pipe conduit buried under ground79US 4,770,562 A1988
- Method of sealing pipe61US 4,602,974 A1986
- Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same51US 5,520,223 AITT Industries, Inc. · 1996
- Production of fused thermoplastic fluorocarbon polymer coverings on cylinders35US 4,258,089 A1981
- Bonding of thermoplastic sheet material to roughened substrates35US 5,114,514 AEastman Kodak Company · 1992