Description
Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 3/10: Rotary appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
F28G 3/10
Sub-Class
Stats
- 1 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 1 Total Patent Owners
- 25 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9346085 | Pipe and tubes cleaning mechanism | Jun 30, 10 | May 24, 16 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0252,950 | HEAT EXCHANGER | May 31, 22 | Aug 01, 24 | Not available |
| 2023/0098,654 | WATER PIPE SCALE REMOVAL DEVICE | Sep 26, 21 | Mar 30, 23 | Not available |
| 2020/0096,266 | Descaling and cleaning equipment for condenser of the power plant | Nov 27, 19 | Mar 26, 20 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 26 Months (last 2 years Issuances)
- 26 Months (last 5 years Issuances)