Patents
US 8635816 B2: Crawlspace encapsulation system
- Granted
- 2014-01-28
- Filed
- 2011-06-08 application 13155708
- Type
- Utility · 11 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A crawlspace encapsulation system that enables sealing and insulating of the crawlspace while allowing for the venting of gases trapped between the ground and the sealing and insulating system. The crawlspace encapsulation system includes an insulation joist plug, one or more insulation panels, and a polymeric membrane.
Source: PVGPATDIS, file of 2026-04-10 (ipg140128.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Nisus Corporation 9 patents | US company or organization | Rockford, TN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jeffrey D. Lloyd | Knoxville, TN | 12 | PVGPATDIS, file of 2026-04-10 | |
| Michael W. Tobin | Bozeman, MT | 5 | PVGPATDIS, file of 2026-04-10 | |
| Ronald T. Schwalb | Knoxville, TN | 3 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| E02D | Foundations; excavations; embankments ; underground or underwater structures | E02D27/02 | PVGPATDIS, file of 2026-04-10 |
| E04B | General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings | E04B1/7076 | 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 |
|---|---|---|---|---|---|
| 2026-05-06 | Security interest Security interest Security interest | NISUS CORPORATION signed 2026-04-30 | PINNACLE BANK NASHVILLE, TN | 74581/637 | PASDL, file of 2026-10-15 |
| 2011-07-26 | Assignment Assignment of assignor's interest | LLOYD, JEFFREY D. signed 2011-07-18 TOBIN, MICHAEL W. signed 2011-07-19 SCHWALB, RONALD T. signed 2011-07-20 | NISUS CORPORATION ROCKFORD, TN | 26649/131 | 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.