B29C 70/66
The filler comprising hollow constituents
Official title: the filler comprising hollow constituents, e.g. syntactic foam
B29C70/66 (The filler comprising hollow constituents) appears on 225 US grants and 167 published applications in this corpus.
Search patents in B29C- Granted patents
- 225
- Published applications
- 167
- Assignees
- 157
- Inventors
- 457
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 0 |
| 2003 | 3 | 10 |
| 2004 | 3 | 6 |
| 2005 | 4 | 3 |
| 2006 | 1 | 11 |
| 2007 | 0 | 1 |
| 2008 | 5 | 5 |
| 2009 | 2 | 9 |
| 2010 | 1 | 9 |
| 2011 | 6 | 11 |
| 2012 | 4 | 12 |
| 2013 | 2 | 7 |
| 2014 | 4 | 5 |
| 2015 | 6 | 16 |
| 2016 | 6 | 8 |
| 2017 | 10 | 8 |
| 2018 | 12 | 7 |
| 2019 | 5 | 9 |
| 2020 | 6 | 5 |
| 2021 | 4 | 7 |
| 2022 | 8 | 3 |
| 2023 | 6 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Super insulating nano-spheres for appliance insulation and method for creating a super insulating nano-sphere material5 May 2026US 12,617,179 B2Whirlpool Corporation
- Super insulating nano-spheres for appliance insulation and method for creating a super insulating nano-sphere material5 Nov 2024US 12,134,260 B2Whirlpool Corporation
- Low density syntactic foams via material extrusion additive manufacturing26 Dec 2023US 11,851,545 B2University of Tennessee Research Foundation
- System for producing a lightweight thermoplastic composite sheet21 Nov 2023US 11,820,044 B2Johns Manville
- Super insulating nano-spheres for appliance insulation and method for creating a super insulating nano-sphere material17 Oct 2023US 11,787,151 B2Whirlpool Corporation
- Syntactic foam containing reinforced large inclusions20 Aug 2026US 2026/0242559 A1The Boeing Company
- Three-phase composite, and preparation method and use thereof26 Feb 2026US 2026/0054456 A1Harbin Engineering University
- Syntactic-foam parts and associated methods of making the same5 Feb 2026US 2026/0034709 A1The Boeing Company
- Syntactic-foam parts and associated methods of making the same5 Feb 2026US 2026/0034747 A1The Boeing Company
- Syntactic-foam parts made of pre-made syntactic-foam components5 Feb 2026US 2026/0034750 A1The Boeing Company
Most cited
By later US patents
- Composite structural reinforcement member259US 5,755,486 ANovamax Technologies Holdings, Inc. · 1998
- Polymeric polishing pad containing hollow polymeric microelements245US 5,578,362 ARodel, Inc. · 1996
- 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
- Knee blocker for automotive application135US 4,853,270 AEssex Specialty Products, Inc. · 1989