Description
Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 3/02: Rotary appliances having abrasive tools
F28G 3/02
Sub-Class
Stats
- 1 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 0 Total Patent Owners
- 5 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11383345 | Cleaning apparatus for heat exchanger and polishing apparatus | Mar 19, 20 | Jul 12, 22 | Ebara Corporation |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2020/0306,920 | CLEANING APPARATUS FOR HEAT EXCHANGER AND POLISHING APPARATUS | Mar 19, 20 | Oct 01, 20 | 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
- 12 Months (last 2 years Issuances)
- 12 Months (last 5 years Issuances)