Patent 9914365

Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

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Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

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To identify the most relevant prior art for US Patent 9914365, we must examine the patents cited by US9914365 and determine which ones meet the criteria for anticipation under 35 U.S.C. § 102, considering the priority date of US9914365.

US Patent 9914365 B2 claims priority to an application filed on December 18, 2009 (U.S. patent application Ser. No. 12/641,359). Therefore, only patents or printed publications with an effective filing date before December 18, 2009, can anticipate the claims of US9914365. Furthermore, direct ancestors in the patent family cannot anticipate their progeny.

Upon reviewing the "Cited patents" section for US9914365 on Google Patents, and cross-referencing with the patent's priority chain as stated in its specification, the following observations are made:

The most relevant prior art from the cited US patents that precedes the December 18, 2009 priority date of US9914365 is US7940026B2.

Analysis of US7940026B2

1. US7940026B2 - Charging system with vehicle to grid communication

  • Full Citation: US7,940,026 B2 to King et al.

  • Publication/Issue Date: Issued May 10, 2011.

  • Filing Date: January 28, 2008 (Application No. 12/021,200).

  • Brief Description: This patent describes a system for charging an electric vehicle and for enabling vehicle-to-grid (V2G) power flow. It discloses a vehicle equipped with an energy storage device, an AC motor, a bi-directional inverter, and a controller. The inverter is configured to convert DC power from the energy storage device to AC for driving the motor, and also to convert AC power from an external AC power system (grid) to DC to charge the energy storage device. The vehicle's controller is designed to manage this power flow and can communicate with an external entity (e.g., a utility grid controller) to coordinate operations, including charging rate and V2G energy exchange.

  • Potential Anticipation (35 U.S.C. § 102): US7940026B2 teaches several fundamental aspects also present in US9914365, such as:

    • A vehicle having an energy storage device (e.g., battery).
    • A voltage converter (bi-directional inverter) configured to both drive an electromechanical device (AC motor) and convert voltage from a remote power supply (AC grid) to charge the energy storage device.
    • A vehicle controller that controls this voltage converter for charging and communicates with a remote controller.

    However, US7940026B2 does not appear to anticipate any of the independent claims of US9914365 (Independent Claims 1, 2, and 3). The key distinguishing feature of US9914365, as defined in its independent claims, is the specific architecture for rapid charging involving:

    • Communication between a first controller (on-board the vehicle) and a second remote controller.
    • This communication causes a second charging voltage to be provided to the first energy storage device.
    • This second charging voltage originates from a second remote power supply or a first energy conversion system located remotely from the vehicle (comprising a second voltage converter and a second controller).
    • This second charging voltage is delivered via a second power bus and is combined with the vehicle's own charging current for rapid charging.

    US7940026B2 primarily focuses on a single external AC power system (the utility grid) interacting with the vehicle's onboard charging capabilities, often for V2G functions, without disclosing the combination of two distinct remote charging voltages from separate remote conversion systems, specifically orchestrated for rapid charging, as claimed in US9914365.

Summary: While US7940026B2 is the only cited US patent that qualifies as anticipatory prior art under 35 U.S.C. § 102 based on the priority date, it does not disclose all elements of the independent claims of US9914365, particularly the specific arrangement for rapid charging using multiple coordinated remote power supplies/conversion systems.

Generated 6/2/2026, 6:02:56 PM