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Joe Ritacco
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Hamilton, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fluid rotary joint assembly suitable for high rotational speed
Patent number
11,953,126
Issue date
Apr 9, 2024
Princetel, Inc.
Hong Zhang
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Slip ring system for high speed applications
Patent number
11,309,673
Issue date
Apr 19, 2022
Princetel, Inc.
Hong Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High frequency slip ring with through bore
Patent number
11,289,865
Issue date
Mar 29, 2022
Princetel, Inc.
Hong Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Soft contacting rotational interface system for transmitting RF and...
Patent number
10,133,006
Issue date
Nov 20, 2018
Princetel Inc.
Hong Zhang
G02 - OPTICS
Information
Patent Grant
Soft contacting rotational interface for RF rotary joint
Patent number
9,634,449
Issue date
Apr 25, 2017
Princetel Inc.
Hong Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Slip ring for high speed data transmission
Patent number
9,263,838
Issue date
Feb 16, 2016
Princetel, Inc.
Hong Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
High frequency slip ring with through bore
Publication number
20210057861
Publication date
Feb 25, 2021
Princetel, Inc.
Hong Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Slip ring system for high speed applications
Publication number
20210057860
Publication date
Feb 25, 2021
Princetel, Inc.
Hong Zhang
H01 - BASIC ELECTRIC ELEMENTS