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| (Source: Stacked Energy) |
Apple Inc. has transferred 20 U.S. battery-related patents to California-based battery startup Stacked Energy Inc. and simultaneously secured a lien over those patents.
According to USPTO records, the transaction took place on November 7, 2024, when Apple assigned 20 patents—originally filed and registered under its name—to Stacked Energy. On the same day, Apple obtained a security interest over the transferred patents.
The patents cover a range of technologies related to rechargeable battery components and manufacturing methods. Key innovations include current collectors, separators, electrolyte distribution and coating systems, battery cells, multi-electrolyte cell structures, and inter-cell connectors. The patented inventions aim to improve battery performance and safety, enhance cell balancing, and optimize package design.
While patent security interests are often used in connection with financing, supply agreements, or strategic investments, Apple's retention of a lien suggests it intends to maintain a degree of control or retrieval rights over the technology. The move could indicate a conditional transfer, where Apple has preserved the legal ability to reclaim the patents if certain contractual obligations are not fulfilled.
Stacked Energy was founded in July 2024 and headquartered in San Jose, California. Its partnership with Apple may signal early-stage commercialization efforts under Apple's oversight.
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| (Source: U.S. California Secretary of State) |
The list of U.S. patents that Apple transferred to Stacked Energy and over which it retained a security interest is as follows. (Source: USPTO)
Patent Application Invention title
10153474 15266309 SEPARATORS HAVING IMPROVED TEMPERATURE RANGES FOR BATTERY SHUTDOWN
11018343 15962133 CURRENT COLLECTOR SURFACE TREATMENT
10923728 16007534 CURRENT COLLECTOR STRUCTURES FOR RECHARGEABLE BATTERY
11189834 16038865 MULTIPLE ELECTROLYTE BATTERY CELLS
11189818 16038874 ELECTROLYTE DISPENSING AND COATING SYSTEM
10916741 16049250 METALLIZED CURRENT COLLECTOR DEVICES AND MATERIALS
11335977 16108498 INTER-CELL CONNECTION MATERIALS
11862801 16108503 METALLIZED CURRENT COLLECTOR FOR STACKED BATTERY
11043703 16108522 STACKED BATTERY COMPONENTS AND CONFIGURATIONS
10658632 16117096 BATTERY HOUSINGS FOR ACCOMMODATING SWELLING OF ELECTRODE ASSEMBLIES
10916796 16263890 SELECTIVE CHARGING MATRIX FOR RECHARGEABLE BATTERIES
11264665 16850481 BATTERY HOUSINGS FOR ACCOMMODATING SWELLING OF ELECTRODE ASSEMBLIES
11588155 17014550 BATTERY CONFIGURATIONS FOR CELL BALANCING
11923494 17014637 BATTERY CONFIGURATIONS HAVING THROUGH-PACK FASTENERS
11677120 17014717 BATTERY CONFIGURATIONS HAVING THROUGH-PACK FASTENERS
11600891 17014768 BATTERY CONFIGURATIONS HAVING BALANCED CURRENT COLLECTORS
11699815 17353059 STACKED BATTERY COMPONENTS AND CONFIGURATIONS
12170376 18108551 BATTERY CONFIGURATIONS FOR CELL BALANCING
None 18308672 BATTERY CONFIGURATIONS HAVING THROUGH-PACK FASTENERS
None 18413998 BATTERY CONFIGURATIONS HAVING THROUGH-PACK FASTENERS
By PatenTrip
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