Patents
US 9212451 B2: Two level electric resistance heater and method of use
- Granted
- 2015-12-15
- Filed
- 2012-01-06 application 13344915
- Type
- Utility · 13 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An electrical resistance heater assembly includes a heater housing forming a channel having a longitudinal axis for a fluid such as air to pass through and a heater support plate forming first and second levels in the heater housing. A first mica board assembly supporting a ribbon heater is mounted to the heater support plate at the first level and a second mica board assembly supporting a ribbon heater is mounted to the heater support plate at the second level. The first level is positioned adjacent an inlet of the heater housing and the second level is positioned adjacent an outlet of the heater housing. The first level and a side of the heater housing form a passageway for air to enter the heater housing and be directed to the ribbons of the second level, thereby allowing air to bypass the heater ribbons of the first level.
Source: PVGPATDIS, file of 2026-04-10 (ipg151215.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| TUTCO, LLC 16 patents | US company or organization | Cookeville, TN | TUTCO INC State business registration FUZZY medium confidence: same name (legal endings aside) and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| James L. Sherrill | Cookeville, TN | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| D06F | Laundering, drying, ironing, pressing or folding textile articles | D06F58/26 | PVGPATDIS, file of 2026-04-10 |
| F24H | Fluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general | F24H3/0405 | PVGPATDIS, file of 2026-04-10 |
| H05B | Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general | H05B3/36 | 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 |
|---|---|---|---|---|---|
| 2018-05-19 | Name change Change of name | TUTCO, INC. signed 2017-07-18 | TUTCO, LLC COOKEVILLE, TN | 47678/157 | ECORSEXC, file of 2026-09-25 |
| 2012-01-06 | Assignment Assignment of assignor's interest | SHERRILL, JAMES LEE signed 2012-01-05 | TUTCO, INC. COOKEVILLE, TN | 27492/671 | 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.