Frederick E. Severson

Person

Beaverton, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Signaling and remote control train operation
- Patent number 9,511,303
- Issue date Dec 6, 2016
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Low frequency audio sound effects in model railroading
- Patent number 9,449,590
- Issue date Sep 20, 2016
- QS Industries, Inc.
- Frederick E. Severson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Signaling and remote control train operation
- Patent number 8,701,562
- Issue date Apr 22, 2014
- QS Industries, Inc.
- Frederick E. Severson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound systems for model railroad locomotives
- Patent number 8,408,143
- Issue date Apr 2, 2013
- QS Industries, Inc.
- Frederick E. Severson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound systems for model railroad locomotives
- Patent number 8,166,887
- Issue date May 1, 2012
- QS Industries, Inc.
- Frederick E. Severson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signaling and remote control train operation
- Patent number 8,070,108
- Issue date Dec 6, 2011
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Sound systems for model railroad locomotives
- Patent number 7,954,435
- Issue date Jun 7, 2011
- QS Industries, Inc.
- Frederick E. Severson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Proximity control of on-board processor-based model train sound and...
- Patent number 7,859,424
- Issue date Dec 28, 2010
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Signaling and remote control train operation
- Patent number 7,770,847
- Issue date Aug 10, 2010
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Sound systems for model railroad locomotives
- Patent number 7,451,708
- Issue date Nov 18, 2008
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Proximity control of on-board processor-based model train sound and...
- Patent number 7,429,931
- Issue date Sep 30, 2008
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Continuous sound by concatenating selected digital sound segments
- Patent number 6,230,140
- Issue date May 8, 2001
- Frederick E. Severson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for storing and utilizing a unique power down...
- Patent number 5,940,005
- Issue date Aug 17, 1999
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Model train locomotive with doppler shifting of sound effects
- Patent number 5,896,017
- Issue date Apr 20, 1999
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Non-looped continuous sound by random sequencing of digital sound r...
- Patent number 5,832,431
- Issue date Nov 3, 1998
- Frederick E. Severson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Command control for model railroading using AC track power signals...
- Patent number 5,773,939
- Issue date Jun 30, 1998
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method of generating continuous non-looped sound effects
- Patent number 5,633,985
- Issue date May 27, 1997
- Frederick E. Severson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Complex switch turn-out arrangements using proximity selection
- Patent number 5,590,856
- Issue date Jan 7, 1997
- Patrick A. Quinn
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Model railroad operation using proximity selection
- Patent number 5,492,290
- Issue date Feb 20, 1996
- QS Industries, Inc.
- Patrick A. Quinn
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Signaling techniques for DC track powered model railroads
- Patent number 5,448,142
- Issue date Sep 5, 1995
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Automatic initialization in a model railroad motor control system
- Patent number 5,394,068
- Issue date Feb 28, 1995
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Model railroad cattle car sound effects
- Patent number 5,267,318
- Issue date Nov 30, 1993
- Frederick E. Severson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Model railroad reversing motor control system
- Patent number 5,184,048
- Issue date Feb 2, 1993
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Electronic control system for model railroads
- Patent number 4,914,431
- Issue date Apr 3, 1990
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SIGNALING AND REMOTE CONTROL TRAIN OPERATION
- Publication number 20140299715
- Publication date Oct 9, 2014
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SIGNALING AND REMOTE CONTROL TRAIN OPERATION
- Publication number 20130203318
- Publication date Aug 8, 2013
- QS Industries, Inc.
- Frederick E. Severson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNALING AND REMOTE CONTROL TRAIN OPERATION
- Publication number 20130190952
- Publication date Jul 25, 2013
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SOUND SYSTEMS FOR MODEL RAILROAD LOCOMOTIVES
- Publication number 20120204422
- Publication date Aug 16, 2012
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SIGNALING AND REMOTE CONTROL TRAIN OPERATION
- Publication number 20120016542
- Publication date Jan 19, 2012
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SOUND SYSTEMS FOR MODEL RAILROAD LOCOMOTIVES
- Publication number 20110235820
- Publication date Sep 29, 2011
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SIGNALING AND REMOTE CONTROL TRAIN OPERATION
- Publication number 20100330875
- Publication date Dec 30, 2010
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
PROXIMITY CONTROL OF ON-BOARD PROCESSOR-BASED MODEL TRAIN SOUND AND...
- Publication number 20090029626
- Publication date Jan 29, 2009
- QS Industries, Inc.
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SOUND SYSTEMS FOR MODEL RAILROAD LOCOMOTIVES
- Publication number 20090016556
- Publication date Jan 15, 2009
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Model railroad control and sound systems
- Publication number 20070001058
- Publication date Jan 4, 2007
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Proximity control of on-board processor-based model train sound and...
- Publication number 20060009117
- Publication date Jan 12, 2006
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Sound systems for model railroad locomotives
- Publication number 20050194204
- Publication date Sep 8, 2005
- Frederick E. Severson
- A63 - SPORTS GAMES AMUSEMENTS

Frederick E. Severson

Person

Patents Grantslast 30 patents

Signaling and remote control train operation

Low frequency audio sound effects in model railroading

Signaling and remote control train operation

Sound systems for model railroad locomotives

Sound systems for model railroad locomotives

Signaling and remote control train operation

Sound systems for model railroad locomotives

Proximity control of on-board processor-based model train sound and...

Signaling and remote control train operation

Sound systems for model railroad locomotives

Proximity control of on-board processor-based model train sound and...

Continuous sound by concatenating selected digital sound segments

Method and apparatus for storing and utilizing a unique power down...

Model train locomotive with doppler shifting of sound effects

Non-looped continuous sound by random sequencing of digital sound r...

Command control for model railroading using AC track power signals...

Method of generating continuous non-looped sound effects

Complex switch turn-out arrangements using proximity selection

Model railroad operation using proximity selection

Signaling techniques for DC track powered model railroads

Automatic initialization in a model railroad motor control system

Model railroad cattle car sound effects

Model railroad reversing motor control system

Electronic control system for model railroads

Patents Applicationslast 30 patents

SIGNALING AND REMOTE CONTROL TRAIN OPERATION

SIGNALING AND REMOTE CONTROL TRAIN OPERATION

SIGNALING AND REMOTE CONTROL TRAIN OPERATION

SOUND SYSTEMS FOR MODEL RAILROAD LOCOMOTIVES

SIGNALING AND REMOTE CONTROL TRAIN OPERATION

SOUND SYSTEMS FOR MODEL RAILROAD LOCOMOTIVES

SIGNALING AND REMOTE CONTROL TRAIN OPERATION

PROXIMITY CONTROL OF ON-BOARD PROCESSOR-BASED MODEL TRAIN SOUND AND...

SOUND SYSTEMS FOR MODEL RAILROAD LOCOMOTIVES

Model railroad control and sound systems

Proximity control of on-board processor-based model train sound and...

Sound systems for model railroad locomotives