Roadtec, Inc.
39Patents
37Active
39Granted
54Portfolio score
Filing activity: Jan 31, 1987 → Nov 24, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7121763B1 | Folding end gate for screed assembly | Fixed Constructions | 24 | Expired |
| US4752155A | Paving machine having movable heater | Fixed Constructions | 11 | Expired |
| US9708779B2 | Material transfer vehicle having an expandable truck-receiving hopper | Fixed Constructions | 11 | Active |
| US10337153B2 | Quick-change attachment for material transfer vehicle | Fixed Constructions | 7 | Active |
| US10214364B2 | System for tracking operating time for conveyor of working machine | Physics | 6 | Active |
| US10076759B1 | Modular spray assembly for a working machine | Fixed Constructions | 6 | Active |
| US9273433B2 | Method and apparatus for controlling dust emissions with temperature control | Fixed Constructions | 5 | Active |
| US10060085B2 | Spray assembly for a working machine employing direct acting valves | Fixed Constructions | 5 | Active |
| US9505567B2 | Automatic baffle control for truck-receiving hopper of material transfer vehicle | Fixed Constructions | 4 | Active |
| US9507348B2 | Auto-calibration of automatic grade control system in a working machine | Fixed Constructions | 4 | Active |
| US10017905B2 | Screed assembly for asphalt paving machine | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10246833B2 | Asphalt paving machine operational reporting system | Fixed Constructions | 4 | Active |
| US8914933B1 | Broom assembly for sweeping machine and method of operation | Fixed Constructions | 4 | Active |
| US9956917B1 | Access stairway for material transfer vehicle | Fixed Constructions | 3 | Active |
| US10640933B2 | Milling machine having automatic grade control system | Performing Operations; Transporting | 2 | Active |
| US10577759B2 | Drive belt disengagement for cutter drum of milling machine and auxiliary drum drive assembly | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9506204B2 | Hopper baffle assembly for asphalt paving machine | Fixed Constructions | 1 | Active |
| US10329724B2 | Sweeping machine with side loading broom | Fixed Constructions | 1 | Active |
| US10865529B2 | Milling machine control system | Physics | 1 | Active |
| US9109333B2 | Hopper insert for asphalt paving machine | Fixed Constructions | 1 | Active |
| US10246835B1 | Method and apparatus for spreading chips on roadway using foamed asphalt cement | Fixed Constructions | 1 | Active |
| US10907310B2 | Automatic control of discharge conveyor of material transfer vehicle during a paving operation | Fixed Constructions | 1 | Active |
| US11203284B2 | Road working machine with egress lighting system | Fixed Constructions | 1 | Active |
| US11866888B2 | Material transfer vehicle with ground operator station | Fixed Constructions | 0 | Active |
| US10480135B2 | Cold in-place recycling with heating assembly including a heater for asphalt cement and a heat-modifying component | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.