Granite Construction Inc. (GVA)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 202619 patents granted to the 3 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Granite Construction Inc.’s names, not what it holds today.
4 published
2 published
2 published
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Mar 24, 2020 | 10,596,580 | Fluid separator device | Chemical engineering | LAYNE CHRISTENSEN COMPANY |
| Dec 4, 2018 | 10,145,188 | Automated rod manipulator | Civil engineering | LAYNE CHRISTENSEN COMPANY |
| Oct 7, 2014 | 8,851,203 | Sonic drill head | Civil engineering | LAYNE CHRISTENSEN COMPANY |
| Nov 6, 2012 | 8,303,825 | Surface purveyed filtration process | Chemical engineering | LAYNE CHRISTENSEN COMPANY |
| Feb 14, 2012 | 8,114,287 | Surface purveyed filtration device | Chemical engineering | LAYNE CHRISTENSEN COMPANY |
| Aug 2, 2011 | 7,988,437 | Method and apparatus for installing flexible linings in underground pipes | Other special machines | LAYNE CHRISTENSEN COMPANY |
| Sep 15, 2009 | 7,588,744 | Method of recovering phosphate for reuse as a fertilizer | Environmental technology | LAYNE CHRISTENSEN COMPANY |
| Nov 25, 2008 | 7,455,779 | Process for selective removal and immobilization of contaminants from spent sorbents | Chemical engineering | LAYNE CHRISTENSEN COMPANY |
| Oct 21, 2008 | 7,438,501 | Ground freezing installation accommodating thermal contraction of metal feed pipes | Civil engineering | LAYNE CHRISTENSEN COMPANY |
| Aug 5, 2008 | 7,407,587 | Method and sorbent for selective removal of contaminants from fluids | Chemical engineering | LAYNE CHRISTENSEN COMPANY |
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Oct 19, 2023 | 2023/0331989 | PARTIAL DISPLACEMENT OF PERFORMANCE GRADED LOW CARBON ASPHALT WITH WASTE PLASTIC | Macromolecular chemistry, polymers | Granite Construction Incorporated |
| May 18, 2023 | 2023/0151560 | SYSTEM AND METHOD FOR PRODUCING ASPHALT USING EXHAUST FROM A GENERATOR | Civil engineering | Granite Construction Incorporated |
| Jun 11, 2020 | 2020/0179954 | FLUID SEPARATOR DEVICE | Chemical engineering | LAYNE CHRISTENSEN COMPANY · patent 11,338,304 granted from it |
| Oct 19, 2017 | 2017/0297038 | FLUID SEPARATOR DEVICE | Chemical engineering | Layne Christensen Company · patent 10,596,580 granted from it |
| Dec 25, 2014 | 2014/0374162 | SONIC DRILL HEAD | Civil engineering | Layne Christensen Company |
| Jul 31, 2014 | 2014/0209382 | AUTOMATED ROD MANIPULATOR | Civil engineering | LAYNE CHRISTENSEN COMPANY · patent 10,145,188 granted from it |
| Sep 2, 2004 | 2004/0168460 | METHOD AND APPARATUS FOR ARTIFICIAL GROUND FREEZING | Civil engineering | LAYNE CHRISTENSEN COMPANY · patent 6,796,139 granted from it |
| Oct 24, 2002 | 2002/0153135 | Method and apparatus for stimulating well production | Civil engineering | LAYNE CHRISTENSEN COMPANY · patent 6,533,035 granted from it |
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.