XEL COMMUNICATIONS, INC.

Organization

AURORA, CO, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Broadband network having an upstream power transmission level that...
- Patent number 5,606,725
- Issue date Feb 25, 1997
- XEL Communications, Inc.
- Gaylord A. Hart
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data link access unit for T1 spans supporting the extended superfra...
- Patent number 5,513,173
- Issue date Apr 30, 1996
- XEL Communications, Inc.
- Kevin S. Machemer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
CATV telephony system using subsplit band for both directions of tr...
- Patent number 5,488,413
- Issue date Jan 30, 1996
- XEL Communications, Inc.
- Joseph M. Elder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Answer supervision over pulse code modulated carrier system and met...
- Patent number 5,408,524
- Issue date Apr 18, 1995
- XEL Communications, Inc.
- Peter M. Reum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for implementing broadband audio program telephony circuits...
- Patent number 5,301,187
- Issue date Apr 5, 1994
- XEL Communications, Inc.
- Peter M. Reum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive no balance DX signalling circuit
- Patent number 5,247,574
- Issue date Sep 21, 1993
- XEL Communications, Inc.
- Jimmy D. Slife
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intra channel bank communication protocols between channels and the...
- Patent number 5,197,068
- Issue date Mar 23, 1993
- XEL Communications, Inc.
- David L. Holien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Programmable universal signaling circuit for a telephone network
- Patent number 5,151,935
- Issue date Sep 29, 1992
- XEL Communications, Inc.
- Jimmy D. Slife
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for testing 2B1Q telephony loopback circuits and method ther...
- Patent number 5,140,625
- Issue date Aug 18, 1992
- XEL Communications, Inc.
- Peter M. Reum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sealing current generator for a telephone circuit
- Patent number 5,131,033
- Issue date Jul 14, 1992
- XEL Communications, Inc.
- Peter M. Reum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Smart data station termination (DST) without active equalizers
- Patent number 5,081,670
- Issue date Jan 14, 1992
- XEL Communications, Inc.
- Peter M. Reum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Universal channel unit switchable between two wire and four wire co...
- Patent number 5,034,978
- Issue date Jul 23, 1991
- XEL Communications, Inc.
- Ninh T. Nguyen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
78339279 - CHAMELEON
- Serial number 78339279
- Filing date Dec 11, 2003
- XEL COMMUNICATIONS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75733303 - SHARK
- Serial number 75733303
- Registration number 2735042
- Filing date Jun 21, 1999
- XEL COMMUNICATIONS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75708017 - XSP-100 SHARK
- Serial number 75708017
- Registration number 2493228
- Filing date May 17, 1999
- XEL COMMUNICATIONS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75022292 - FIBER XPRESS
- Serial number 75022292
- Filing date Nov 14, 1995
- XEL COMMUNICATIONS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74009889 - X-NET
- Serial number 74009889
- Registration number 1643407
- Filing date Dec 11, 1989
- XEL COMMUNICATIONS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73732815 - X
- Serial number 73732815
- Registration number 1524299
- Filing date Jun 6, 1988
- XEL COMMUNICATIONS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73732816 - D4+2
- Serial number 73732816
- Registration number 1525387
- Filing date Jun 6, 1988
- XEL COMMUNICATIONS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73709249 - SMART-PORT
- Serial number 73709249
- Registration number 1636686
- Filing date Feb 3, 1988
- Boeing Company, The
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

XEL COMMUNICATIONS, INC.

Organization

Patents Grantslast 30 patents

Broadband network having an upstream power transmission level that...

Data link access unit for T1 spans supporting the extended superfra...

CATV telephony system using subsplit band for both directions of tr...

Answer supervision over pulse code modulated carrier system and met...

System for implementing broadband audio program telephony circuits...

Adaptive no balance DX signalling circuit

Intra channel bank communication protocols between channels and the...

Programmable universal signaling circuit for a telephone network

System for testing 2B1Q telephony loopback circuits and method ther...

Sealing current generator for a telephone circuit

Smart data station termination (DST) without active equalizers

Universal channel unit switchable between two wire and four wire co...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

78339279 - CHAMELEON

75733303 - SHARK

75708017 - XSP-100 SHARK

75022292 - FIBER XPRESS

74009889 - X-NET

73732815 - X

73732816 - D4+2

73709249 - SMART-PORT