Description
Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 3/00: Rotary appliances
F28G 3/00
Sub-Class
Stats
- 7 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 4 Total Patent Owners
- 22 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11752980 | Image recording device, assembly, cleaning device and motor vehicle | Jun 05, 18 | Sep 12, 23 | MCi (Mirror Controls International) Netherlands B.V. |
| 10843232 | Rotary cleaning tool assembly | May 18, 18 | Nov 24, 20 | Not available |
| 10520266 | Method and device for protecting heat exchanger pipes and a ceramic component | Jan 13, 14 | Dec 31, 19 | Martin GmbH fuer Umwelt- und Energietechnik |
| 9346085 | Pipe and tubes cleaning mechanism | Jun 30, 10 | May 24, 16 | Not available |
| 7945984 | Cleaning rotor | Apr 13, 05 | May 24, 11 | OASE GMBH |
| 6802100 | Anode cleaning tool | Sep 30, 02 | Oct 12, 04 | UNITED TECHNOLOGIES CORPORATION |
| 6581549 | Sootblower lance port with leak resistant cardon joint | Aug 31, 01 | Jun 24, 03 | CLYDE BERGEMANN, INC. |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 51 Months (last 2 years Issuances)
- 51 Months (last 5 years Issuances)