C04B 16/0691
Polyamides
Official title: {Polyamides; Polyaramides}
C04B16/0691 (Polyamides) appears on 34 US grants and 51 published applications in this corpus.
Search patents in C04B- Granted patents
- 34
- Published applications
- 51
- Assignees
- 31
- Inventors
- 72
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 5 |
| 2018 | 4 | 5 |
| 2019 | 6 | 6 |
| 2020 | 3 | 3 |
| 2021 | 1 | 5 |
| 2022 | 2 | 3 |
| 2023 | 6 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and compositions to increase performance of asphalt cement concrete comprising recycled asphalt pavement7 Oct 2025US 12,435,004 B2Surface Tech LLC
- Methods and compositions to increase performance of asphalt cement concrete comprising recycled asphalt pavement7 May 2024US 11,976,008 B2Bakelite Chemicals LLC
- Low density particles for use in concrete and other mixtures16 Apr 2024US 11,958,777 B2Slipco, LLC
- Concrete vacuum tube segment for hyper-speed transportation system using ultra-high performance concrete (UHPC), and manufacturing method thereof3 Oct 2023US 11,773,021 B2Korea Institute of Civil Engineering and Building Technology
- Asphalt cement concrete interlayer system for reflective crack relief29 Aug 2023US 11,739,029 B2Surface Tech LLC
- Rapid-set construction material for 3d printing of sustainable infrastructure8 Oct 2026US 2026/0307293 A1Oregon State University
- Methods & compositions to increase performance of asphalt cement concrete comprising recycled asphalt pavement2 Jul 2026US 2026/0184636 A1Surface Tech LLC
- Artificial stone comprising polyamides fibers and method of making same5 Jun 2025US 2025/0178958 A1Caesarstone Ltd.
- High-durability dual composite waterproof structure through inorganic elastic undercoat body and composite sheet waterproof structure with heat shielding and heat dissipation performance8 May 2025US 2025/0144911 A1Definite Watertightness Co.,Ltd
- Methods & compositions to increase performance of asphalt cement concrete comprising recycled asphalt pavement15 Aug 2024US 2024/0270648 A1Surface Tech LLC
Most cited
By later US patents
- Cement-based thin-set mortar8US 6,784,229 B2Laticrete International, Inc. · 2004
- Cold fusion concrete5US 10,196,310 B2Geopolymer Solutions LLC · 2019
- Low density particles for use in concrete and other mixtures5US 11,958,777 B2Slipco, LLC · 2024
- Method of upgrading existing nylon fibers and use of same for reinforcement of cementitious composites4US 6,001,476 A1999
- Synthetic fibers and cementitious systems including same3US 7,045,209 B12006