B29C 48/9115
Of hollow articles
Official title: {of hollow articles}
B29C48/9115 (Of hollow articles) appears on 752 US grants and 554 published applications in this corpus.
Search patents in B29C- Granted patents
- 752
- Published applications
- 554
- Assignees
- 413
- Inventors
- 1,292
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 13 | 0 |
| 1978 | 16 | 0 |
| 1979 | 15 | 0 |
| 1980 | 11 | 0 |
| 1981 | 14 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 14 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 13 | 0 |
| 1988 | 17 | 0 |
| 1989 | 15 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 17 | 0 |
| 1993 | 13 | 0 |
| 1994 | 21 | 0 |
| 1995 | 20 | 0 |
| 1996 | 21 | 0 |
| 1997 | 16 | 0 |
| 1998 | 12 | 0 |
| 1999 | 12 | 0 |
| 2000 | 19 | 0 |
| 2001 | 16 | 9 |
| 2002 | 15 | 22 |
| 2003 | 15 | 15 |
| 2004 | 18 | 23 |
| 2005 | 11 | 24 |
| 2006 | 10 | 26 |
| 2007 | 10 | 21 |
| 2008 | 12 | 23 |
| 2009 | 10 | 20 |
| 2010 | 18 | 24 |
| 2011 | 9 | 25 |
| 2012 | 12 | 17 |
| 2013 | 12 | 21 |
| 2014 | 15 | 23 |
| 2015 | 21 | 28 |
| 2016 | 18 | 26 |
| 2017 | 21 | 32 |
| 2018 | 32 | 32 |
| 2019 | 21 | 29 |
| 2020 | 21 | 19 |
| 2021 | 18 | 14 |
| 2022 | 20 | 19 |
| 2023 | 16 | 15 |
| 2024 | 15 | 17 |
| 2025 | 12 | 15 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High performance cooling element8 Sep 2026US 12,728,580 B2Addex, Inc.
- Composition and manufacturing method of highly flame-retardant and low-smoke extruded polyvinyl chloride pipe26 May 2026US 12,637,561 B2Nan Ya Plastics Corporation
- Rolled edge trays having smooth edges and stacking extensions5 May 2026US 12,617,142 B2Converter Manufacturing, LLC
- Polypropylene film with improved slip performance14 Apr 2026US 12,600,807 B2Borealis AG
- Cooling ring for cooling a film tube24 Mar 2026US 12,583,167 B2Plast-Control GmbH
- Device and Method for Producing a Tubular Film3 Sep 2026US 2026/0257411 A1Windmoller & Holscher
- Stiffener Manufacturing Device and Stiffener Manufacturing Method Using Same3 Sep 2026US 2026/0257412 A1
- Molded article production method23 Jul 2026US 2026/0208419 A1Kaneka Corporation
- Extrusion plant for blow extrusion of plastic films with a system for removing vapours generated by the extrusion process23 Jul 2026US 2026/0208422 A1Syncro S.R.L.
- Polylactide resin compositions and biaxial stretching process for the polylactide resin compositions23 Jul 2026US 2026/0209509 A1
Most cited
By later US patents
- Method of making a catheter120US 4,764,324 A1988
- Double-walled tube assembly112US 4,906,496 ASMS Corporation · 1990
- Method of molding balloon catheters employing microwave energy112US 6,979,420 B2SciMed Life Systems, Inc. · 2005
- Oriented thermoplastic and particulate matter composite material105US 5,474,722 AThe Governing Council of the University of Toronto · 1995
- Method and apparatus for the continuous extrusion of solid articles98US 5,189,092 AKoslow Technologies Corporation · 1993