Head covering device providing filtered air
US-12409351-B2 · Sep 9, 2025 · US
Hall Labs Llc holds 5 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 5 |
| Recent patents | 4 |
| First publication | Jun 1, 2023 |
| Latest publication | Sep 9, 2025 |
Year-over-year patent counts for this assignee.
Latest publications where this party is an assignee.
US-12409351-B2 · Sep 9, 2025 · US
US-12391524-B2 · Aug 19, 2025 · US
US-12188789-B2 · Jan 7, 2025 · US
US-2024140767-A1 · May 2, 2024 · US
US-2023166950-A1 · Jun 1, 2023 · US
Representative or frequently cited publications from precomputed assignee stats.
US-12409351-B2 · Sep 9, 2025 · US
US-12391524-B2 · Aug 19, 2025 · US
US-12188789-B2 · Jan 7, 2025 · US
US-2024140767-A1 · May 2, 2024 · US
US-2023166950-A1 · Jun 1, 2023 · US
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| B66D1/7405 | 2 |
| B66D1/7415 | 2 |
| B66D2700/0191 | 2 |
| B66D2700/0108 | 2 |
| F16D2023/123 | 1 |
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 4 |
| Human Necessities | 1 |
| Mechanical Engineering | 1 |
| Physics | 1 |
| Electricity | 1 |
Answers are generated from the same data shown on this page.