Distribution module for a propulsion module of a projectile launcher
US-2026049789-A1 · Feb 19, 2026 · US
Sealing arrangements; Pistons
Sealing arrangements; Pistons · 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 | F41B11/73 |
| Official title | Sealing arrangements; Pistons |
| Display label | Sealing arrangements; Pistons |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 7 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High performance launcher with cocking hammer
US-12553685-B2 · Feb 17, 2026 · US
Toy launcher adjustable inline barrel projectiles alignment methods and apparatus
US-12510326-B1 · Dec 30, 2025 · US
High performance launcher with cocking hammer
US-2025389513-A1 · Dec 25, 2025 · US
Pneumatic launching apparatus employing piston and cylinder cam driving pathways and methods
US-12449228-B1 · Oct 21, 2025 · US
High performance launcher of short projectiles with piston nozzle spring
US-2025297828-A1 · Sep 25, 2025 · US
Launcher of short projectiles with detachable barrel
US-12416466-B2 · Sep 16, 2025 · US
Multi-shot airgun
US-12345499-B2 · Jul 1, 2025 · US
High performance launcher of short projectiles with piston nozzle spring
US-12345500-B2 · Jul 1, 2025 · US
Breechless projectile alignment module and launch methods for toy blaster apparatus
US-2025198725-A1 · Jun 19, 2025 · US
High performance launcher of short projectiles with storage belt
US-2025146784-A1 · May 8, 2025 · US
High performance launcher of short projectiles with storage belt
US-12228364-B2 · Feb 18, 2025 · US
Breechless projectile alignment module and launch methods for toy blaster apparatus
US-12215952-B2 · Feb 4, 2025 · US
Breechless projectile alignment module and launch methods for toy blaster apparatus
US-2024328748-A1 · Oct 3, 2024 · US
Multi-shot airgun
US-2024240911-A1 · Jul 18, 2024 · US
Toy launch apparatus with multiple improvised projectile checking and locking methods
US-12038251-B2 · Jul 16, 2024 · US
Launcher of short projectiles with detachable barrel
US-2024125575-A1 · Apr 18, 2024 · US
High performance launcher of short projectiles with storage belt
US-2024044610-A1 · Feb 8, 2024 · US
High performance launcher of short projectiles with piston nozzle spring
US-2024044609-A1 · Feb 8, 2024 · US
Multi-shot airgun
US-11885584-B2 · Jan 30, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F41B11/73?
- CPC F41B11/73 is the Cooperative Patent Classification code for “Sealing arrangements; Pistons.”
- How many patents are filed under CPC F41B11/73 (Sealing arrangements; Pistons)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC F41B11/73 growing?
- Publication counts under this code: 7 in 2024 vs 11 in 2025 (latest complete years).