Patents
US 12185787 B2: Personal air filtering device with automatic control of air movement
- Granted
- 2025-01-07
- Filed
- 2021-03-22 application 17209169
- Type
- Utility · 22 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A personal air filtering device comprising a rigid component comprising a transparent face shield, a fabric component, wherein the face shield and fabric combine to cover an entire head of a user and form a seal around the user's neck, an intake port with an inlet filter, an exhaust port with an exhaust filter, an air mover causing filtered air to enter the intake port from outside the device and exhaust air to exit the exhaust port, and a controller configured to adjust the rate at which the air mover moves air.
Source: PVGPATDIS, file of 2026-04-10 (ipg250107.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Hall Labs LLC 302 patents | US company or organization | Provo, UT | Hall Labs LLC Form D issuer EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Michael Hall | Provo, UT | 37 | PVGPATDIS, file of 2026-04-10 | |
| David R. Hall | Provo, UT | 859 | PVGPATDIS, file of 2026-04-10 | |
| Chandler Flinders | Provo, UT | 6 | PVGPATDIS, file of 2026-04-10 | |
| Jordan D. Englund | Provo, UT | 14 | PVGPATDIS, file of 2026-04-10 | |
| Jacob Dean | Provo, UT | 6 | PVGPATDIS, file of 2026-04-10 | |
| Anthony E. Pullen | Tucson, AZ | 5 | PVGPATDIS, file of 2026-04-10 | |
| Jeff Duncan | Tucson, AZ | 9 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A42B | Hats; head coverings | A42B3/286 | PVGPATDIS, file of 2026-04-10 |
| B01D | Separation | B01D39/1615 | PVGPATDIS, file of 2026-04-10 |
| A41D | Outerwear; protective garments; accessories | A41D13/1153 | PVGPATDIS, file of 2026-04-10 |
| A61F | Filters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kits | A61F11/14 | PVGPATDIS, file of 2026-04-10 |
| A62B | Devices, apparatus or methods for life-saving | A62B7/10 | PVGPATDIS, file of 2026-04-10 |
| G02F | Optical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein; non-linear optics; frequency-changing of light; optical logic elements; optical analogue/digital converters | G02F1/0126 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-08-06 | Assignment Assignment of assignor's interest | HALL LABS LLC signed 2024-05-22 | MICROCLIMATE, INC. PROVO, UT | 71953/74 | PASDL, file of 2026-10-15 |
| 2024-05-21 | Assignment Assignment of assignor's interest | ENGLUND, JORDAN signed 2021-03-22 | HALL LABS LLC PROVO, UT | 67481/872 | ECORSEXC, file of 2026-09-25 |
| 2024-05-21 | Assignment Assignment of assignor's interest | PULLEN, ANTHONY E. signed 2021-03-22 | HALL LABS LLC PROVO, UT | 67481/768 | ECORSEXC, file of 2026-09-25 |
| 2024-05-21 | Assignment Assignment of assignor's interest | HALL, DAVID R. signed 2021-03-22 | HALL LABS LLC PROVO, UT | 67481/534 | ECORSEXC, file of 2026-09-25 |
| 2024-05-21 | Assignment Assignment of assignor's interest | FLINDERS, CHANDLER signed 2021-03-22 | HALL LABS LLC PROVO, UT | 67481/367 | ECORSEXC, file of 2026-09-25 |
| 2024-05-21 | Assignment Assignment of assignor's interest | HALL, MICHAEL signed 2021-03-22 | HALL LABS LLC PROVO, UT | 67480/304 | ECORSEXC, file of 2026-09-25 |
| 2024-05-21 | Assignment Assignment of assignor's interest | DUNCAN, JEFF signed 2021-03-22 | HALL LABS LLC PROVO, UT | 67480/60 | ECORSEXC, file of 2026-09-25 |
| 2024-05-21 | Assignment Assignment of assignor's interest | DEAN, JACOB signed 2021-03-22 | HALL LABS LLC PROVO, UT | 67478/326 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.