B29K 2079/08
Pi, i.e. polyimides or derivatives thereof
Official title: {PI, i.e. polyimides or derivatives thereof}
B29K2079/08 (Pi, i.e. polyimides or derivatives thereof) appears on 586 US grants and 801 published applications in this corpus.
Search patents in B29K- Granted patents
- 586
- Published applications
- 801
- Assignees
- 411
- Inventors
- 1,829
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 2 |
| 2002 | 7 | 6 |
| 2003 | 5 | 11 |
| 2004 | 6 | 6 |
| 2005 | 5 | 6 |
| 2006 | 3 | 13 |
| 2007 | 2 | 29 |
| 2008 | 5 | 36 |
| 2009 | 6 | 29 |
| 2010 | 10 | 44 |
| 2011 | 23 | 33 |
| 2012 | 28 | 23 |
| 2013 | 19 | 18 |
| 2014 | 9 | 23 |
| 2015 | 19 | 58 |
| 2016 | 28 | 74 |
| 2017 | 35 | 52 |
| 2018 | 36 | 51 |
| 2019 | 46 | 52 |
| 2020 | 39 | 55 |
| 2021 | 42 | 40 |
| 2022 | 27 | 39 |
| 2023 | 35 | 38 |
| 2024 | 34 | 32 |
| 2025 | 29 | 17 |
| 2026 | 18 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fiber-reinforced resin composite body, production method therefor, and non-woven fabric for use in fiber-reinforced resin composite body22 Sep 2026US 12,741,400 B2Kuraray Co., Ltd.
- Method for manufacturing polyimide film with reduced gloss22 Sep 2026US 12,742,046 B2Taimide Technology Incorporation
- All-aromatic liquid-crystalline homo-polyimides with aromatic endgroups and crosslinked products therefrom15 Sep 2026US 12,734,747 B2The United States of America as represented by the Secretary of the Air Force
- All-aromatic liquid-crystalline homo-polyimides with aromatic endgroups and crosslinked products therefrom15 Sep 2026US 12,734,748 B2The United States of America as represented by the Secretary of the Air Force
- Method for producing a multi-cell component11 Aug 2026US 12,703,128 B2Safran
- Additive production device and associated additive production method8 Oct 2026US 2026/0307327 A1EOS GmbH Electro Optical Systems
- Polyimide composite repair apparatus and method via high temperature resin transfer molding6 Aug 2026US 2026/0225331 A1Rtx Corporation
- Process for producing a single-material particle-foam component30 Jul 2026US 2026/0217926 A1Evonik Operations GmbH
- Pfas-free hose constructed with thermoplastic inner layer23 Jul 2026US 2026/0210457 A1
- Method for producing a vane made from composite material2 Jul 2026US 2026/0184027 A1Safran
Most cited
By later US patents
- Implants, device and method for joining tissue parts285US 7,335,205 B2Woodwelding AG · 2008
- Method for plasma processing and apparatus for plasma processing268US 5,549,780 ASemiconductor Energy Laboratory Co.Ltd. · 1996
- Methods for fiber reinforced additive manufacturing188US 9,370,896 B2Markforged, Inc. · 2016
- Methods for fiber reinforced additive manufacturing170US 9,694,544 B2Markforged, Inc. · 2017
- 3D printing with kinematic coupling156US 9,539,762 B2Markforged, Inc. · 2017