B29K 2105/165
Hollow fillers
Official title: {Hollow fillers, e.g. microballoons or expanded particles}
B29K2105/165 (Hollow fillers) appears on 322 US grants and 340 published applications in this corpus.
Search patents in B29K- Granted patents
- 322
- Published applications
- 340
- Assignees
- 280
- Inventors
- 937
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 10 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 4 |
| 2004 | 1 | 3 |
| 2005 | 2 | 3 |
| 2006 | 1 | 8 |
| 2007 | 0 | 5 |
| 2008 | 0 | 3 |
| 2009 | 2 | 11 |
| 2010 | 3 | 18 |
| 2011 | 8 | 14 |
| 2012 | 6 | 23 |
| 2013 | 6 | 22 |
| 2014 | 8 | 11 |
| 2015 | 9 | 14 |
| 2016 | 14 | 21 |
| 2017 | 9 | 31 |
| 2018 | 13 | 13 |
| 2019 | 27 | 28 |
| 2020 | 15 | 16 |
| 2021 | 16 | 20 |
| 2022 | 8 | 20 |
| 2023 | 19 | 18 |
| 2024 | 11 | 12 |
| 2025 | 13 | 9 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a dry film, rolling device, dry film, and substrate coated with the dry film21 Apr 2026US 12,609,294 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Dielectric heating of foamable compositions24 Mar 2026US 12,584,040 B2Henkel AG & Co. KGaA
- Heater for cigarette-like electronic cigarette with excellent heat transfer efficiency and manufacturing method thereof10 Feb 2026US 12,543,787 B2Lattron Co. Ltd.
- Polymer material for use in a 3D printing process6 Jan 2026US 12,515,396 B2Sika Technology AG
- Hybrid fiber based molding thermoplastic article and process of forming same6 Jan 2026US 12,515,417 B2Csp Innovations, Inc.
- Method for producing a dry film, rolling device, dry film, and substrate coated with the dry film13 Aug 2026US 2026/0235523 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Molybdenum disulfide nanotube-carbon nanotube-polyether ether ketone composite material and preparation method therefor2 Jul 2026US 2026/0184898 A1China Academy of Machinery Wuhan Research Institute of Material Protection Co., Ltd.
- Evaporator for solar-driven desalination, method for manufacturing the same, and hybrid desalination system including the same11 Jun 2026US 2026/0158406 A1UIF (University Industry Foundation), Yonsei University
- Hybrid composite architecture for composite fan blade impact robustness12 Mar 2026US 2026/0071549 A1
- Three-phase composite, and preparation method and use thereof26 Feb 2026US 2026/0054456 A1Harbin Engineering University
Most cited
By later US patents
- Golf ball364US 5,104,126 A1992
- Methods for composite filament fabrication in three dimensional printing348US 9,126,365 B1Markforged, Inc. · 2015
- Methods for composite filament fabrication in three dimensional printing261US 9,327,452 B2Markforged, Inc. · 2016
- Hollow porous microspheres made from dispersed particle compositions150US 5,397,759 A1995
- Molded composite article and method for making the article137US 4,025,686 AOwens-Corning Fiberglas Corporation · 1977