G01N 33/42
Road-making materials
Official title: Road-making materials (G01N33/38 takes precedence)
G01N33/42 (Road-making materials) appears on 264 US grants and 240 published applications in this corpus.
Search patents in G01N- Granted patents
- 264
- Published applications
- 240
- Assignees
- 158
- Inventors
- 494
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 6 | 13 |
| 2003 | 11 | 5 |
| 2004 | 11 | 11 |
| 2005 | 5 | 10 |
| 2006 | 8 | 5 |
| 2007 | 7 | 7 |
| 2008 | 5 | 7 |
| 2009 | 3 | 3 |
| 2010 | 5 | 6 |
| 2011 | 8 | 7 |
| 2012 | 7 | 13 |
| 2013 | 8 | 6 |
| 2014 | 4 | 9 |
| 2015 | 5 | 10 |
| 2016 | 5 | 9 |
| 2017 | 7 | 5 |
| 2018 | 9 | 10 |
| 2019 | 8 | 15 |
| 2020 | 15 | 18 |
| 2021 | 16 | 15 |
| 2022 | 15 | 12 |
| 2023 | 9 | 14 |
| 2024 | 16 | 11 |
| 2025 | 12 | 7 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for calculating a relative change in percent voids using electromagnetic wave reflection coefficients5 May 2026US 12,618,883 B2Geophysical Survey Systems, Inc.
- Method for operating a movable compaction device during material compaction work28 Apr 2026US 12,612,745 B2Roadscanners Holding Oy
- Systems and methods for capacitor activation of concrete sensors7 Apr 2026US 12,596,115 B2Hilti Aktiengesellschaft
- Sensing plastics with electrode sensor to monitor fluid environments13 Jan 2026US 12,523,590 B1Florida Polytechnic University
- Method for calculating the optimum dosage of the two-component synchronous rejuvenator for aged SBS-modified asphalt18 Nov 2025US 12,474,320 B2Huazhong University of Science and Technology (GOVERNMENT)
- Device and method for automated configuration of soft clay foundation based on model tank test3 Sep 2026US 2026/0259190 A1Southeast University
- Systems and methods for asphalt density and soil moisture measurements using ground penetrating radar2 Jul 2026US 2026/0185977 A1
- Method for determining optimal construction temperature in modified asphalt at different contents of modifier25 Jun 2026US 2026/0177538 A1Changsha University of Science and Technology
- Method for quantitatively evaluating new-asphalt and old-asphalt mixing degree based on reclaimed asphalt mortar14 May 2026US 2026/0133108 A1South China University of Technology
- Methods, systems, and computer program products for determining a property of construction material30 Apr 2026US 2026/0118342 A1Troxler Electronic Laboratories, Inc.
Most cited
By later US patents
- Movable seismic pavement analyzer115US 5,614,670 ABoard of Regents, The University of Texas System · 1997
- Method and apparatus for determining the angle of gyration and/or the pressure in a gyratory compactor97US 6,868,738 B2Troxler Electronic Laboratories, Inc. · 2005
- Methods, systems, and computer program products for locating and tracking objects83US 7,848,905 B2Troxler Electronic Laboratories, Inc. · 2010
- Apparatus and method for determing a condition of a road80US 5,736,939 ACaterpillar Inc. · 1998
- Soil compaction measurement on moving platform75US 7,073,374 B2BBNT Solutions LLC · 2006