Description
Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 3/08: Rotary appliances having coiled wire tools, i.e. basket type
F28G 3/08
Sub-Class
Stats
- 1 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 1 Total Patent Owners
- 12 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9533277 | Device for producing gas hydrate | Oct 26, 11 | Jan 03, 17 | MITSUI ENGINEERING & SHIPBUILDING CO., LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0191,144 | PROCESS AND APPARATUS FOR CRACKING OF THERMALLY UNSTABLE FEEDSTOCK | Apr 13, 22 | Jun 13, 24 | TotalEnergies OneTech Belgium |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 44 Months (last 2 years Issuances)
- 44 Months (last 5 years Issuances)