Systems and methods for well perforation
US-2026002426-A1 · Jan 1, 2026 · US
Sensitisers or density reducing agents, foam stabilisers, crystal habit modifiers · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C06B23/002 |
| Official title | {Sensitisers or density reducing agents, foam stabilisers, crystal habit modifiers} |
| Display label | Sensitisers or density reducing agents, foam stabilisers, crystal habit modifiers |
| Total patents | 12 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026002426-A1 · Jan 1, 2026 · US
US-2025130028-A1 · Apr 24, 2025 · US
US-9879965-B2 · Jan 30, 2018 · US
US-9797693-B1 · Oct 24, 2017 · US
US-2017299348-A1 · Oct 19, 2017 · US
US-9746300-B1 · Aug 29, 2017 · US
US-2017233305-A1 · Aug 17, 2017 · US
US-9506729-B2 · Nov 29, 2016 · US
US-2016146587-A1 · May 26, 2016 · US
US-2016116259-A1 · Apr 28, 2016 · US
US-9175933-B2 · Nov 3, 2015 · US
US-2015241179-A1 · Aug 27, 2015 · US