Princetel Inc.

Organization

Hamilton, NJ, US

Organizations

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Patents Grantslast 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
Fiber optic slip ring with through bore
- Patent number 11,143,823
- Issue date Oct 12, 2021
- Princetel, Inc.
- Boying B 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
De-rotating mechanism for off-axis fiber optic rotary joint
- Patent number 9,927,579
- Issue date Mar 27, 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
Using an optical expander/condenser to achieve a compact beam struc...
- Patent number 9,335,485
- Issue date May 10, 2016
- Princetel Inc.
- Boying B. Zhang
- G02 - OPTICS
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
Information Patent Grant
Cable-tethered helicopter surveillance system
- Patent number 9,102,405
- Issue date Aug 11, 2015
- Princetel Inc.
- Boying B. Zhang
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Hydrogen replenished lighter-than-air vehicle and method to repleni...
- Patent number 9,096,302
- Issue date Aug 4, 2015
- Princetel Inc.
- Boying B Zhang
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Low insertion loss, low back reflection fiber optic rotary joint wi...
- Patent number 8,965,151
- Issue date Feb 24, 2015
- Princetel Inc.
- Hong Zhang
- G02 - OPTICS
Information Patent Grant
Compact, tunable, submersible dry mate n-pin optical connector
- Patent number 8,944,698
- Issue date Feb 3, 2015
- Princetel Inc.
- Boying B. Zhang
- G02 - OPTICS
Information Patent Grant
Limited rotation fiber optic rotary joint
- Patent number 8,693,822
- Issue date Apr 8, 2014
- Princetel Inc.
- Boying B. Zhang
- G02 - OPTICS
Information Patent Grant
Through-bore fiber optic slipring
- Patent number 8,554,029
- Issue date Oct 8, 2013
- Princetel, Inc.
- Hong Zhang
- G02 - OPTICS
Information Patent Grant
Multi-channel electro-magnetic rotary joint using a trapezoidal met...
- Patent number 8,417,075
- Issue date Apr 9, 2013
- Princetel, Inc.
- Louis D. Violante
- G02 - OPTICS
Information Patent Grant
Integrated electro-optical fluid rotary joint
- Patent number 8,380,024
- Issue date Feb 19, 2013
- Princetel Inc.
- Hong Zhang
- G02 - OPTICS
Information Patent Grant
Fiber optic rotary joint mechanism
- Patent number 8,355,607
- Issue date Jan 15, 2013
- Princetel Inc.
- Hong Zhang
- G02 - OPTICS
Information Patent Grant
Two-channel plastic optical fiber (POF) rotary joint
- Patent number 7,881,569
- Issue date Feb 1, 2011
- Princetel, Inc.
- Boying B Zhang
- G02 - OPTICS
Information Patent Grant
Off-axis fiber optic slip ring
- Patent number 7,792,400
- Issue date Sep 7, 2010
- Princetel Inc.
- Hong Zhang
- G02 - OPTICS

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Patents Applicationslast 30 patents

Information Patent Application
Fiber Optic Slip Ring With Through Bore
- Publication number 20210215883
- Publication date Jul 15, 2021
- Princetel, Inc.
- Boying B Zhang
- H01 - BASIC ELECTRIC ELEMENTS
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
Information Patent Application
DE-ROTATING MECHANISM FOR OFF-AXIS FIBER OPTIC ROTARY JOINT
- Publication number 20180088281
- Publication date Mar 29, 2018
- Princetel, Inc.
- Hong ZHANG
- G02 - OPTICS
Information Patent Application
HYDROGEN REPLENISHED LIGHTER-THAN-AIR VEHICLE AND METHOD TO REPLENI...
- Publication number 20160362166
- Publication date Dec 15, 2016
- Princetel Inc.
- Boying B. ZHANG
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Using an Optical Expander/Condenser to Achieve a Compact Beam Struc...
- Publication number 20160018599
- Publication date Jan 21, 2016
- Princetel Inc.
- Boying B. ZHANG
- G02 - OPTICS
Information Patent Application
LOW INSERTION LOSS, LOW BACK REFLECTION FIBER OPTIC ROTARY JOINT WI...
- Publication number 20150071588
- Publication date Mar 12, 2015
- Princetel Inc.
- Hong ZHANG
- G02 - OPTICS
Information Patent Application
Wireless Power Transmission Across a Rotating Interface
- Publication number 20150050031
- Publication date Feb 19, 2015
- Princetel Inc.
- Louis D. Violante
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Prussure module and polishing fixture module for fiber optic polisher
- Publication number 20140287661
- Publication date Sep 25, 2014
- Princetel Inc.
- Hong ZHANG
- B24 - GRINDING POLISHING
Information Patent Application
OFF-AXIS FIBER OPTIC SLIP RING
- Publication number 20100226607
- Publication date Sep 9, 2010
- Princetel, Inc.
- Hong Zhang
- G02 - OPTICS
Information Patent Application
Fiber Optic Rotary Coupler
- Publication number 20090226131
- Publication date Sep 10, 2009
- Princetel, Inc.
- Boying B. Zhang
- G02 - OPTICS
Information Patent Application
Fiber optic polisher
- Publication number 20080119111
- Publication date May 22, 2008
- Princetel, Inc.
- Hong Zhang
- B24 - GRINDING POLISHING
Information Patent Application
Anti-backlash planetary gearing for optic rotary joint
- Publication number 20070184934
- Publication date Aug 9, 2007
- Princetel, Inc.
- Hong Zhang
- G02 - OPTICS

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Trademarklast 30 trademarks

Information Trademark
77657484 - PRINCETEL
- Serial number 77657484
- Registration number 3768958
- Filing date Jan 27, 2009
- Princetel, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
78065283 - PRINCETEL
- Serial number 78065283
- Filing date May 23, 2001
- Princetel, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

Princetel Inc.

Organization

Patents Grantslast 30 patents

Fluid rotary joint assembly suitable for high rotational speed

Slip ring system for high speed applications

High frequency slip ring with through bore

Fiber optic slip ring with through bore

Soft contacting rotational interface system for transmitting RF and...

De-rotating mechanism for off-axis fiber optic rotary joint

Soft contacting rotational interface for RF rotary joint

Using an optical expander/condenser to achieve a compact beam struc...

Slip ring for high speed data transmission

Cable-tethered helicopter surveillance system

Hydrogen replenished lighter-than-air vehicle and method to repleni...

Low insertion loss, low back reflection fiber optic rotary joint wi...

Compact, tunable, submersible dry mate n-pin optical connector

Limited rotation fiber optic rotary joint

Through-bore fiber optic slipring

Multi-channel electro-magnetic rotary joint using a trapezoidal met...

Integrated electro-optical fluid rotary joint

Fiber optic rotary joint mechanism

Two-channel plastic optical fiber (POF) rotary joint

Off-axis fiber optic slip ring

Patents Applicationslast 30 patents

Fiber Optic Slip Ring With Through Bore

High frequency slip ring with through bore

Slip ring system for high speed applications

DE-ROTATING MECHANISM FOR OFF-AXIS FIBER OPTIC ROTARY JOINT

HYDROGEN REPLENISHED LIGHTER-THAN-AIR VEHICLE AND METHOD TO REPLENI...

Using an Optical Expander/Condenser to Achieve a Compact Beam Struc...

LOW INSERTION LOSS, LOW BACK REFLECTION FIBER OPTIC ROTARY JOINT WI...

Wireless Power Transmission Across a Rotating Interface

Prussure module and polishing fixture module for fiber optic polisher

OFF-AXIS FIBER OPTIC SLIP RING

Fiber Optic Rotary Coupler

Fiber optic polisher

Anti-backlash planetary gearing for optic rotary joint

Trademarklast 30 trademarks

77657484 - PRINCETEL

78065283 - PRINCETEL