Patents by Inventor Kevin J. Pirotin

Kevin J. Pirotin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fixed (and selectively fixed) bypass pumpless combination instantaneous/storage water heater system
    Patent number: 9103562
    Abstract: A representatively pumpless water heater system has an instantaneous water heater coupled in series with a storage water heater by piping circuitry incorporating a fixed (and selectively fixed) bypass useable to route pressurized incoming cold water sequentially through the instantaneous and storage type heaters. The fixed bypass can also route pressurized incoming cold water to mix with the heated water exiting the instantaneous heater for delivery to the storage heater.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: August 11, 2015
    Inventors: Daichi L Nakagawa, Kevin J Pirotin
  • FIXED (AND SELECTIVELY FIXED) BYPASS PUMPLESS COMBINATION INSTANTANEOUS/STORAGE WATER HEATER SYSTEM
    Publication number: 20140363147
    Abstract: A representatively pumpless water heater system has an instantaneous water heater coupled in series with a storage water heater by piping circuitry incorporating a fixed (and selectively fixed) bypass useable to route pressurized incoming cold water sequentially through the instantaneous and storage type heaters. The fixed bypass can also route pressurized incoming cold water to mix with the heated water exiting the instantaneous heater for delivery to the storage heater.
    Type: Application
    Filed: May 21, 2014
    Publication date: December 11, 2014
    Inventors: Daichi L. Nakagawa, Kevin J. Pirotin
  • Fixed and selectively fixed bypass pumpless instantaneous / storage water heater system
    Patent number: 8768154
    Abstract: A representatively pumpless water heater system has an instantaneous water heater coupled in series with a storage water heater by piping circuitry incorporating a fixed (and selectively fixed) bypass useable to route pressurized incoming cold water sequentially through the instantaneous and storage type heaters. The fixed bypass can also route pressurized incoming cold water to mix with the heated water exiting the instantaneous heater for delivery to the storage heater.
    Type: Grant
    Filed: May 20, 2012
    Date of Patent: July 1, 2014
    Inventors: Daichi L Nakagawa, Kevin J Pirotin
  • FIXED AND SELECTIVELY FIXED BYPASS PUMPLESS INSTANTANEOUS / STORAGE WATER HEATER SYSTEM
    Publication number: 20120325337
    Abstract: A representatively pumpless water heater system has an instantaneous water heater coupled in series with a storage water heater by piping circuitry incorporating a fixed (and selectively fixed) bypass useable to route pressurized incoming cold water sequentially through the instantaneous and storage type heaters. The fixed bypass can also route pressurized incoming cold water to mix with the heated water exiting the instantaneous heater for delivery to the storage heater.
    Type: Application
    Filed: May 20, 2012
    Publication date: December 27, 2012
    Inventors: Daichi L. Nakagawa, Kevin J. Pirotin