Catalyst guard
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 22, 2021
Grant Date -
Nov 8, 2018
app pub date -
Nov 8, 2017
filing date -
Nov 8, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A furnace system features a combination of a furnace, a main combustion furnace tube and a disposable guard tube. The main combustion furnace tube is configured to couple and extend from the furnace, made of a quartz tube material, and has a zone for a combustion catalyst or high temperature support configured or formed therein. The disposable guard tube is coupled to the main combustion furnace tube, has a top opening configured to receive and have direct exposure to a liquid sample being injected into the main combustion furnace tube, and also has a bottom opening to provide the liquid sample to the main combustion furnace tube for processing in the zone for the combustion catalyst or high temperature support.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2017 Application Filing Year
- G01N Class
- 13595 Applications Filed
- 8906 Patents Issued To-Date
- 65.51 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- G01N Class
- 0 % this patent is cited more than
- 4 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 | Dec 22, 2024 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 22, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 22, 2032 |
