- Filed
- Nov 13, 2026
- Last modified
- Nov 13, 2026
- Petitioner
- Impulse Labs, Inc.
- Inventor
- Saul Thomas Griffith et al
Invalidity dossier
US 12191667
Appliance level battery-based energy storage
Current assignee: Channing Street Copper Co
Added 11/14/2026, 4:00:15 AM
At a glanceActive PTAB challengeNo litigation on file
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
✓ Generated
Patent Overview: US 12191667 B2
Title: Appliance level battery-based energy storage
Patent number: US 12191667 B2 (application US18/803,321; earlier publication US20240405559A1)
Assignee/Applicant: Channing Street Copper Co (listed as both original and current assignee; the record also notes assignment activity involving Other Lab, LLC and the named inventors)
Inventors: Saul Thomas Griffith, Samuel Eli Calisch, Joshua Land, Tucker Gilman
Key dates:
- Priority date: 2021-03-11
- Filing date: 2024-08-13
- Grant/publication date: 2025-01-07
- Anticipated expiration: 2042-03-11
- Legal status: Active
Purpose and plain-language scope (per the supplied text):
Based on the title, classification, and prior-art keywords ("battery," "power," "receptacle," "stove," "load"), the patent concerns battery-based energy storage built into or associated with a household appliance—notably a stove—that includes a power receptacle and manages electrical load. Suggested technical categories include:
- Balancing network load by storing energy (H02J3/28, H02J3/32)
- Battery pack construction for stationary devices (H01M50/204, H01M50/251)
- Local/home energy management and remote monitoring/control (H02J13/10, H02J13/14)
- Load switching and dispersed generation (H02J3/14, H02J3/381)
The document is also flagged as belonging to a family with litigation, and the record notes a US case filed in Delaware District Court.
Source: https://patents.google.com/patent/US12191667/en
What the excerpt does not establish:
- The actual claim language, claim count, or precise scope of any claim (none is reproduced).
- The specification's description of the invention, embodiments, or figures.
- The identity of any cited prior art or the basis for allowance.
- The status, parties, or allegations of the noted litigation (not researched per instructions).
- The accuracy of the assignee listing or of any ownership-transfer records (not researched per instructions).
- Any details about the earlier publication US20240405559A1 beyond its listing.
Generated 11/14/2026, 4:00:48 AM
Cases on file (0)
Specific litigation cases in our database that name US patent 12191667. The free-form analysis below may also discuss cases beyond this list.
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Litigation summary
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Proceedings on file (1)
All PTAB activity →AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.
1 active
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
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Assignment history
Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.
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Prior art
Earlier patents, publications, and products that may anticipate or render the claims unpatentable.
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Obviousness
Combinations of prior art that suggest the claimed invention would have been obvious under 35 U.S.C. § 103.
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Extensions
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Derivative works
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