Limbach Holdings, Inc. (LMB)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 202619 patents granted to the 2 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 Limbach Holdings, Inc.’s names, not what it holds today.
0 published
1 published
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Dec 19, 2017 | 9,844,746 | Fiber and dust separating and collecting system for textile plants | Environmental technology | Industrial Air, Inc. |
| Jun 13, 1995 | 5,423,576 | Corner pieces for improved duct connector | Thermal processes and apparatus | Industrial Air, Inc. |
| Oct 18, 1994 | 5,356,184 | Corner pieces for improved duct connector | Thermal processes and apparatus | Industrial Air, Inc. |
| Jan 4, 1994 | 5,275,449 | Elongated member for joining ducts | Thermal processes and apparatus | Industrial Air, Inc. |
| Oct 19, 1993 | 5,253,901 | Duct reinforcement | Mechanical elements | Industrial Air, Inc. |
| Jun 8, 1993 | 5,217,509 | Filtration system | Environmental technology | Industrial Air, Inc. |
| Dec 29, 1992 | 5,174,797 | Fiber collector | Environmental technology | Industrial Air, Inc. |
| Jun 26, 1990 | 4,936,069 | Modular building panel having an improved offset thermal barrier joint | Civil engineering | Industrial Air, Inc. |
| Oct 18, 1988 | 4,778,491 | Continuously operated and cleaned filter apparatus | Environmental technology | Industrial Air, Inc. |
| Sep 9, 1986 | 4,610,600 | Adjustable-pitch axial fan wheel | Engines, pumps, turbines | Industrial Air, Inc. |
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Aug 24, 2017 | 2017/0239605 | FIBER AND DUST SEPARATING AND COLLECTING SYSTEM FOR TEXTILE PLANTS | Environmental technology | Industrial Air, Inc. · patent 9,844,746 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.