Membership
Tour
Register
Log in
Optical systems, lenses
Follow
Industry
CPC
B61L5/1845
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B61
Railways
B61L
GUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00
Local operating mechanisms for points or track-mounted scotch-blocks Visible or audible signals Local operating mechanisms for visible or audible signals
Current Industry
B61L5/1845
Optical systems, lenses
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
LED shielding and monitoring system and wayside LED signals
Patent number
11,273,855
Issue date
Mar 15, 2022
SIEMENS MOBILITY, INC.
Axel Beier
B61 - RAILWAYS
Information
Patent Grant
Optical system for a LED signal and wayside LED signal
Patent number
11,155,285
Issue date
Oct 26, 2021
SIEMENS MOBILITY, INC.
Axel Beier
B61 - RAILWAYS
Information
Patent Grant
Signal light assembly
Patent number
11,077,872
Issue date
Aug 3, 2021
SIEMENS MOBILITY, INC.
Richard C. Bohme
F21 - LIGHTING
Information
Patent Grant
Light signal
Patent number
10,525,992
Issue date
Jan 7, 2020
Siemens Mobility GmbH
Rolf Eckl
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light Signal
Patent number
10,328,958
Issue date
Jun 25, 2019
Siemens Mobility GmbH
Rolf Eckl
B61 - RAILWAYS
Information
Patent Grant
Method and system for LED based incandescent replacement module for...
Patent number
10,173,701
Issue date
Jan 8, 2019
GE Lighting Solutions, LLC
Yu Felix Fan
B61 - RAILWAYS
Information
Patent Grant
LED traffic signal light module
Patent number
9,709,243
Issue date
Jul 18, 2017
Lite-On Technology Corporation
Chao-Hsien Wu
B61 - RAILWAYS
Information
Patent Grant
LED illuminating device
Patent number
9,360,192
Issue date
Jun 7, 2016
Osram GmbH
Yusheng Ming
F21 - LIGHTING
Information
Patent Grant
Light signal
Patent number
8,702,282
Issue date
Apr 22, 2014
Siemens Aktiengesellschaft
Joerg Birkholz
F21 - LIGHTING
Information
Patent Grant
Light emitting diode module with improved light distribution unifor...
Patent number
7,810,963
Issue date
Oct 12, 2010
Dialight Corporation
John Patrick Peck
F21 - LIGHTING
Information
Patent Grant
Compact light emitting diode retrofit lamp and method for traffic s...
Patent number
6,911,915
Issue date
Jun 28, 2005
Leotek Electronics Corporation
Chen H. Wu
B61 - RAILWAYS
Information
Patent Grant
Sun phantom LED traffic signal
Patent number
6,731,222
Issue date
May 4, 2004
GelCore LLC
Patrick Martineau
B61 - RAILWAYS
Information
Patent Grant
Light degradation sensing LED signal with light pipe collector
Patent number
6,717,526
Issue date
Apr 6, 2004
GelCore LLC
Patrick Martineau
B61 - RAILWAYS
Information
Patent Grant
Sun phantom led traffic signal
Patent number
6,509,840
Issue date
Jan 21, 2003
GelCore LLC
Patrick Martineau
B61 - RAILWAYS
Information
Patent Grant
Optical element for traffic signs, display panels or the like
Patent number
6,249,375
Issue date
Jun 19, 2001
Swarco Futurit Verkehrssignal Systeme Ges m.b.H.
Franz Silhengst
G08 - SIGNALLING
Information
Patent Grant
Led illuminated lamp assembly
Patent number
5,833,355
Issue date
Nov 10, 1998
Dialight Corporation
Chenhua You
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Incandescent reflector lamp for railway warning-signal apparatus
Patent number
4,261,027
Issue date
Apr 7, 1981
Westinghouse Electric Corp.
Lloyd E. Chapman
F21 - LIGHTING
Information
Patent Grant
3620600
Patent number
3,620,600
Issue date
Nov 16, 1971
F21 - LIGHTING
Information
Patent Grant
2730840
Patent number
2,730,840
Issue date
Jan 17, 1956
B61 - RAILWAYS
Information
Patent Grant
2286201
Patent number
2,286,201
Issue date
Jun 16, 1942
F21 - LIGHTING
Information
Patent Grant
2094689
Patent number
2,094,689
Issue date
Oct 5, 1937
B61 - RAILWAYS
Information
Patent Grant
2002471
Patent number
2,002,471
Issue date
May 21, 1935
B61 - RAILWAYS
Information
Patent Grant
1977689
Patent number
1,977,689
Issue date
Oct 23, 1934
G08 - SIGNALLING
Information
Patent Grant
1960148
Patent number
1,960,148
Issue date
May 22, 1934
B61 - RAILWAYS
Information
Patent Grant
1945190
Patent number
1,945,190
Issue date
Jan 30, 1934
B61 - RAILWAYS
Information
Patent Grant
1840098
Patent number
1,840,098
Issue date
Jan 5, 1932
B61 - RAILWAYS
Information
Patent Grant
1806051
Patent number
1,806,051
Issue date
May 19, 1931
B61 - RAILWAYS
Information
Patent Grant
1689655
Patent number
1,689,655
Issue date
Oct 30, 1928
B61 - RAILWAYS
Information
Patent Grant
1667757
Patent number
1,667,757
Issue date
May 1, 1928
B61 - RAILWAYS
Information
Patent Grant
1627895
Patent number
1,627,895
Issue date
May 10, 1927
B61 - RAILWAYS
Patents Applications
last 30 patents
Information
Patent Application
RAIL SIGNAL
Publication number
20240375694
Publication date
Nov 14, 2024
Unipart Rail Limited
Ilkan Aydin
B61 - RAILWAYS
Information
Patent Application
RAIL SIGNAL
Publication number
20240262398
Publication date
Aug 8, 2024
Unipart Rail Limited
Ilkan Aydin
B61 - RAILWAYS
Information
Patent Application
SIGNAL LIGHT ASSEMBLY
Publication number
20210206404
Publication date
Jul 8, 2021
Richard C. Bohme
B61 - RAILWAYS
Information
Patent Application
LED SHIELDING AND MONITORING SYSTEM AND WAYSIDE LED SIGNALS
Publication number
20190329802
Publication date
Oct 31, 2019
Siemens Industry, Inc.
Axel Beier
B61 - RAILWAYS
Information
Patent Application
OPTICAL SYSTEM FOR A LED SIGNAL AND WAYSIDE LED SIGNAL
Publication number
20190329803
Publication date
Oct 31, 2019
Siemens Industry, Inc.
Axel Beier
F21 - LIGHTING
Information
Patent Application
Light Signal
Publication number
20180265105
Publication date
Sep 20, 2018
Siemens Aktiengesellschaft
ROLF ECKL
B61 - RAILWAYS
Information
Patent Application
Light Signal
Publication number
20180009453
Publication date
Jan 11, 2018
Siemens Aktiengesellschaft
ROLF ECKL
B61 - RAILWAYS
Information
Patent Application
LED Illuminating Device
Publication number
20140313740
Publication date
Oct 23, 2014
Yusheng Ming
B61 - RAILWAYS
Information
Patent Application
LIGHT SIGNAL
Publication number
20120153314
Publication date
Jun 21, 2012
Siemens Aktiengesellschaft
Joerg Birkholz
B61 - RAILWAYS
Information
Patent Application
LIGHT EMITTING DIODE MODULE WITH IMPROVED LIGHT DISTRIBUTION UNIFOR...
Publication number
20070211473
Publication date
Sep 13, 2007
John Patrick Peck
B61 - RAILWAYS
Information
Patent Application
Light signal
Publication number
20050122719
Publication date
Jun 9, 2005
Siemens AG
Jorg Liebscher
B61 - RAILWAYS
Information
Patent Application
Compact light emitting diode retrofit lamp and method for traffic s...
Publication number
20040070519
Publication date
Apr 15, 2004
Chen H. Wu
B61 - RAILWAYS
Information
Patent Application
Sun phantom LED traffic signal
Publication number
20020186143
Publication date
Dec 12, 2002
Patrick Martineau
B61 - RAILWAYS
Information
Patent Application
Sun phantom led traffic signal
Publication number
20020089419
Publication date
Jul 11, 2002
Patrick Martineau
B61 - RAILWAYS
Information
Patent Application
Light degradation sensing LED signal with light pipe collector
Publication number
20020089420
Publication date
Jul 11, 2002
Patrick Martineau
B61 - RAILWAYS