Patents
US 9709267 B2: Safety device for catalytic converter
- Granted
- 2017-07-18
- Filed
- 2013-06-11 application 13914832
- Type
- Utility · 8 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Safety devices prevent packaged catalytic converters from being expelled from stacks, or at least reduce the velocity with which such a package may be expelled, in case of an explosion in a bio-fueled appliance, such as a wood-burning stove.
Source: PVGPATDIS, file of 2026-04-10 (ipg170718.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Biomass Controls, LLC 5 patents | US company or organization | Putnam, CT | BIOMASS CONTROLS, LLC State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jeffrey R. Hallowell | Woodstock, CT | 10 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F23J | Removal or treatment of combustion products or combustion residues; flues | F23J13/00 | PVGPATDIS, file of 2026-04-10 |
| B23P | Metal-working not otherwise provided for; combined operations; universal machine tools | B23P19/00 | PVGPATDIS, file of 2026-04-10 |
| F23B | Methods or apparatus for combustion using only solid fuel | F23B90/08 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T29/49437 | 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 |
|---|---|---|---|---|---|
| 2019-05-30 | Name change Change of corporate organization | BIOMASS CONTROLS, LLC signed 2019-05-14 | BIOMASS CONTROLS PBC PUTNAM, CT | 49327/518 | ECORSEXC, file of 2026-09-25 |
| 2016-04-08 | Assignment Assignment of assignor's interest | CLEARSTAK LLC signed 2016-04-06 | BIOMASS CONTROLS, LLC PUTNAM, CT | 38228/253 | ECORSEXC, file of 2026-09-25 |
| 2013-06-26 | Assignment Assignment of assignor's interest | HALLOWELL, JEFFREY R. signed 2013-06-21 | CLEARSTAK LLC WOODSTOCK, CT | 30688/469 | 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.