Rygan Corp.
Broken Arrow, OK, US· latest recorded location
Rygan Corp. is named on 4 US grants and 2 published applications in this corpus. Its most frequent classification is F28F (Details of heat-exchange and heat-transfer apparatus, of general application).
- Granted patents
- 4
- Published applications
- 2
- Inventors
- 3
- Granted in 2026 so far
- 0
- Most recent grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year.
Technology areas
Share of 6 documents
- F28FDetails of heat-exchange and heat-transfer apparatus, of general application6
- F24TGeothermal collectors4
- Y02EClean energy generation and storage4
- C09KMaterials for miscellaneous applications, not provided for elsewhere3
- F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange3
- F25BRefrigeration machines, plants or systems1
Recent patents
- Heat exchanger, plate element therefor, and method of construction4 Nov 2025US 12,460,873 B2
- Method, apparatus, header, and composition for ground heat exchange28 May 2019US 10,301,528 B1
- Method, apparatus, header, and composition for ground heat exchange14 Nov 2017US 9,816,023 B2
- Method, apparatus, conduit, and composition for low thermal resistance ground heat exchange1 Sep 2015US 9,121,630 B1
Most cited
By later US patents