Patents
US 11988935 B2: Bus bar design of an IGU with graded transmission state
- Granted
- 2024-05-21
- Filed
- 2021-12-10 application 17643644
- Type
- Utility · 12 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An electrochromic apparatus is disclosed. The electrochromic device can include a first bus bar electrically connected to a first transparent conductor, where the first bus bar comprises a first segment between a second segment and a third segment, where the first segment has a first thickness that is less than a second thickness of the second segment and less than a third thickness of the third segment. The electrochromic apparatus can further include a first voltage supply terminal that is offset from a center of the first bus bar.
Source: PVGPATDIS, file of 2026-04-10 (ipg240521.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| SAGE Electrochromics, Inc. 105 patents | US company or organization | Faribault, MN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Yigang Wang | Plymouth, MN | 31 | PVGPATDIS, file of 2026-04-10 | |
| Bolei Di | Woodbury, MN | 2 | PVGPATDIS, file of 2026-04-10 | |
| Jean-Christophe Giron | Edina, MN | 50 | PVGPATDIS, file of 2026-04-10 | |
| Sebastian Marius Sarrach | Lakeville, MN | 6 | PVGPATDIS, file of 2026-04-10 | |
| Ariane Weissler | Aachen, DE | 7 | PVGPATDIS, file of 2026-04-10 | |
| Bryan D. Greer | Northfield, MN | 35 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| 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 | G02F1/1533 | 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 |
|---|---|---|---|---|---|
| 2024-03-21 | Assignment Assignment of assignor's interest | DI, BOLEI signed 2022-01-04 GIRON, JEAN-CHRISTOPHE signed 2022-01-04 GREER, BRYAN D. signed 2022-01-04 WEISSLER, ARIANE signed 2022-01-16 WANG, YIGANG signed 2022-02-01 | SAGE ELECTROCHROMICS, INC. FARIBAULT, MN | 66853/816 | 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.