C04B 16/0625
Polyalkenes
Official title: {Polyalkenes, e.g. polyethylene}
C04B16/0625 (Polyalkenes) appears on 160 US grants and 183 published applications in this corpus.
Search patents in C04B- Granted patents
- 160
- Published applications
- 183
- Assignees
- 143
- Inventors
- 479
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 1 |
| 2003 | 2 | 6 |
| 2004 | 4 | 2 |
| 2005 | 2 | 0 |
| 2006 | 2 | 5 |
| 2007 | 3 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 5 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 5 | 8 |
| 2015 | 1 | 8 |
| 2016 | 6 | 8 |
| 2017 | 4 | 13 |
| 2018 | 12 | 14 |
| 2019 | 22 | 21 |
| 2020 | 12 | 12 |
| 2021 | 6 | 12 |
| 2022 | 11 | 13 |
| 2023 | 11 | 13 |
| 2024 | 12 | 16 |
| 2025 | 13 | 10 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Accelerating portland cement and sand mixtures with dry calcium chloride6 Oct 2026US 12,753,117 B1J&P Invesco LLC
- Double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition22 Sep 2026US 12,741,910 B2China Railway 14th Bureau Group Corporation Limited
- Concrete reinforcement member1 Sep 2026US 12,723,409 B2Afyon Cimento Sanayi Turk Anonim Sirketi
- Compositions of steel-microfiber reinforced ultra high performance concrete (UHPC) using recycled glass powder and processes for making the same30 Jun 2026US 12,668,540 B2Integrated Composite Construction Systems, LLC
- Surface crack filler compound5 May 2026US 12,617,723 B2Logical Resource, Inc.
- Rapid-set construction material for 3d printing of sustainable infrastructure8 Oct 2026US 2026/0307293 A1Oregon State University
- Hardened body of hydraulic composition8 Oct 2026US 2026/0308056 A1Kuraray Co., Ltd.
- High Tensile Strength Cementitious Matrix For Use In FRCM Systems17 Sep 2026US 2026/0274749 A1Universite Laval
- Char bricks and methods of making char bricks3 Sep 2026US 2026/0257967 A1
- Surface crack filler compound30 Jul 2026US 2026/0217606 A1Logical Resource, Inc.
Most cited
By later US patents
- High strength foamed well cement compositions and methods112US 6,500,252 B1Halliburton Energy Services.Inc. · 2002
- Fiber-reinforced concrete and reinforcing material for concrete51US 4,565,840 AMitsui Petrochemical Industries, Ltd. · 1986
- High strength foamed well cement compositions and methods49US 6,220,354 B1Halliburton Energy Services.Inc. · 2001
- Reinforcing fibres and a method of producing the same44US 5,330,827 ADanaklon A/S · 1994
- Cementing wells with crack and shatter resistant cement43US 6,308,777 B2Halliburton Energy Services.Inc. · 2001