Heat source device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 29, 2022
Grant Date -
Oct 1, 2020
app pub date -
Mar 27, 2020
filing date -
Apr 1, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A heat source device including a sheet-metal burner body (30), a fan casing (40) connected to the burner body (30), an annular packing (90) connecting a burner-side connection end surface (340) with a fan-side connection end surface (410) in an airtight state, a sheet-metal connection part (80) disposed between the burner-side connection end surface (340) and the fan-side connection end surface (410), wherein the connection part has an opening (85) and a packing storage portion (84) storing the annular packing (90), wherein the opening (85) is provided in such a manner that an opening edge is positioned outside of those of an inlet port (35) and a blowout port (44) in a state where the connection part (80) is disposed between the burner-side connection end surface (340) and the fan-side connection end surface (410).
First Claim
Other Claims data not available
Family
International Classification(s)
- 2020 Application Filing Year
- F24H Class
- 361 Applications Filed
- 214 Patents Issued To-Date
- 59.28 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F24H Class
- 0 % this patent is cited more than
- 3 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | May 29, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 29, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 29, 2034 |
