Astec Industries, Inc.
🏢 View company profile →130Patents
30Active
130Granted
47Portfolio score
Filing activity: Aug 22, 1974 → Dec 3, 2020 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4222498A | Control system for aggregate delivery system | Fixed Constructions | 112 | Expired |
| US6296109A | Fold linkage and method of using same | Performing Operations; Transporting | 87 | Expired |
| US4706893A | Method and apparatus for recycling roofing shingles as an additive to asphalt paving composition | Fixed Constructions | 65 | Expired |
| US5078540A | Asphalt pavement milling machine and cutter drum therefor | Performing Operations; Transporting | 51 | Expired |
| US5615973A | Paving machine with gravity feed hopper and auger mechanism | Fixed Constructions | 48 | Expired |
| US4946307A | Asphalt pavement recycling apparatus | Fixed Constructions | 47 | Expired |
| US5315770A | Roadway trenching apparatus | Fixed Constructions | 45 | Expired |
| US4211490A | Drum mix asphalt plant with fiber filter dust collector | Fixed Constructions | 37 | Expired |
| US5302118A | Soil remediation apparatus | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US4944646A | Highway transportable material storage apparatus and frame assembly therefor | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6318928A | Method and apparatus for electrically heating a screed assembly in a paving machine | Fixed Constructions | 34 | Expired |
| US4190370A | Asphalt plant with improved temperature control system | Fixed Constructions | 34 | Expired |
| US5533829A | Paving machine with mixing device and discharge conveyor assembly for remixing segregated paving materials | Fixed Constructions | 33 | Expired |
| US5348418A | Asphalt finishing screed having rotary compactor | Fixed Constructions | 33 | Expired |
| US5851085A | Method and apparatus for spraying a tack material from a paving machine having a gravity feed hopper | Fixed Constructions | 31 | Expired |
| US5575538A | Rock saw with centerline conveyor assembly and method of digging a narrow trench | Fixed Constructions | 30 | Expired |
| US4867572A | Asphalt plant with fixed sleeve mixer | Fixed Constructions | 30 | Expired |
| US5201472A | Method for preparing and storing a recyclable shingle material | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5273355A | Aggregate dryer and soil incinerator | Fixed Constructions | 27 | Expired |
| US5899630A | Paving machine employing exhaust heat exchanger for screed heating | Fixed Constructions | 26 | Expired |
| US5441361A | Field convertible apparatus for conducting either front load road planing operation or cold in-place recycling operation | Fixed Constructions | 25 | Expired |
| US5362193A | Self erecting asphalt production plant | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8671626B1 | Apparatus and method for a drilling rig assembly | Fixed Constructions | 24 | Active |
| US5378059A | Combined asphalt plant and soil remediation system | Fixed Constructions | 23 | Expired |
| US5480226A | Rotary drum dryer having aggregate cooled shielding flights and method for the utilization thereof | Fixed Constructions | 23 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.