Waste heat boiler
US-10907822-B2 · Feb 2, 2021 · US
Supports for cleaning appliances, e.g. frames
Supports for cleaning appliances, e.g. frames · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F28G15/02 |
| Official title | Supports for cleaning appliances, e.g. frames |
| Display label | Supports for cleaning appliances, e.g. frames |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 12 |
| 2017 | 7 |
| 2018 | 20 |
| 2019 | 12 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flexible tube cleaning lance positioner apparatus
US-10809023-B2 · Oct 20, 2020 · US
Cleaning apparatus for heat exchanger and polishing apparatus
US-2020306920-A1 · Oct 1, 2020 · US
Heat exchanger spray tub
US-2020284534-A1 · Sep 10, 2020 · US
Flexible lance drive positioner apparatus
US-2020263941-A1 · Aug 20, 2020 · US
Heat exchanger exterior surface cleaning system, method of retrofitting a heat exchanger with a cleaning system, and method of cleaning a heat exchanger
US-2020208928-A1 · Jul 2, 2020 · US
Flexible tube cleaning lance positioner frame apparatus
US-10684082-B2 · Jun 16, 2020 · US
Tube cleaning and inspecting system and method
US-10514217-B2 · Dec 24, 2019 · US
Pro-boxer flexible lance positioner apparatus
US-10480874-B2 · Nov 19, 2019 · US
Multiple high pressure flexible lance hose take up drum
US-10427907-B2 · Oct 1, 2019 · US
Endless belt flexible tube cleaning lance drive apparatus
US-10392218-B2 · Aug 27, 2019 · US
Multiple high pressure flexible lance hose take up drum
US-2019218058-A1 · Jul 18, 2019 · US
Multiple high pressure flexible lance hose take up drum
US-10336571-B2 · Jul 2, 2019 · US
Cleaning system with wire brush bundles
US-10295285-B2 · May 21, 2019 · US
Cleaning lance rotator drive apparatus
US-10265736-B2 · Apr 23, 2019 · US
Apparatus and method for cleaning heat transfer plates
US-10260826-B2 · Apr 16, 2019 · US
Soot blower
US-2019078779-A1 · Mar 14, 2019 · US
Armor sleeve snout for flexible tube cleaning lance positioner apparatus
US-2019063856-A1 · Feb 28, 2019 · US
Heat exchanger cleaning system with cable and turbine rotation
US-10175010-B2 · Jan 8, 2019 · US
Steam generator sludge lance apparatus
US-10125976-B2 · Nov 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28G15/02?
- CPC F28G15/02 is the Cooperative Patent Classification code for “Supports for cleaning appliances, e.g. frames.”
- How many patents are filed under CPC F28G15/02 (Supports for cleaning appliances, e.g. frames)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC F28G15/02 growing?
- Publication counts under this code: 2 in 2024 vs 6 in 2025 (latest complete years).