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For the Inventor, By the Inventor

Helmdange, Luxembourg

Leon Kerger

This inventor holds 18 USPTO granted patents, primarily in Valve Technology. Top assignees: Luxembourg Patent Company S.a., Ceodeux S.a., Torrent Trading Ltd.. Active years: 1988-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leon Kerger. Retrieved from https://idiyas.com/inventor/leon-kerger

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 88.9

Average Co-Inventor Count = 1.6

ph-index = 8

Forward Citations = 210(Granted Patents)


Location History:

  • Helmdange, LU (1988 - 2002)
  • Mondorf les Bains, LU (2003 - 2005)

Company Filing History:

goldMedal7 out of 53 
 
Luxembourg Patent Company S.a.
 patents
silverMedal5 out of 8 
 
Ceodeux S.a.
 patents
bronzeMedal4 out of 13 
 
Torrent Trading Ltd.
 patents
4. 1 out of 2 
 
Luxembourg Patent Company
 patents
5. 1 out of 834,601 
Other
 patents

Years Active: 1988-2005

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Areas of Expertise:
Valve
Visual Indicator
Gas Tap
Shut-Off Device
Compressed Gases
Diaphragm Valve
Control Station
Filling Device
Residual-Pressure Valve
Non-Refillable Bottle
Operating Trigger Assembly
18 patents (USPTO):Explore Patents
1. 6920896 - Visual position indicator for valves with linear moving valve stem (2005-07-26),
2. 6655316 - Visual position indicator for valves with linear moving valve stem (2003-12-02),
3. 6398183 - Automatic shut-off device for a valve for compressed or liquefied gases (2002-06-04),
4. 6131877 - Automatic shut-off device for a valve for compressed or liquefied gases (2000-10-17),
5. 6102367 - Gas tap (2000-08-15),
6. 6014984 - Valve (2000-01-18),
7. 5947444 - Gas tap (1999-09-07),
8. 5687915 - Operating trigger assembly for a spray for fluid products (1997-11-18),
9. 5487404 - Valve for a tap of a compressed or liquified gas cylinder, and tap (1996-01-30),
10. 5485872 - Device for closing a non-refillable bottle, and adaptors for filling and (1996-01-23),
11. 5460197 - Valve for a tap of a gas cylinder and tap having such a valve (1995-10-24),
12. 5454421 - Device for filling and emptying a gas bottle (1995-10-03),
13. 5282496 - Tap for compressed or liquefied gases (1994-02-01),
14. 5067520 - Tap for compressed or liquefied gas (1991-11-26),
15. 5037066 - Valve for cylinders of compressed or liquefied gas (1991-08-06),

Title: The Innovative Mind of Leon Kerger: Pioneering Visual Valve Indicators

Introduction:

Leon Kerger, a talented inventor based in Helmdange, Luxembourg, is renowned for his groundbreaking work in the field of visual valve indicators. With an impressive track record of 18 patents to his name, Kerger has consistently pushed the boundaries of innovation in valve technology.

Latest Patents:

One of Kerger's latest inventions is the Visual Position Indicator for Valves with Linear Moving Valve Stem. This patent showcases a unique valve indicator system that features a handle assembly with peripheral sidewalls connected to a linear moving valve stem. A grommet, stratified into distinct color bands, is attached to the base of the valve stem to provide visual feedback on the valve's status.

Career Highlights:

Throughout his career, Leon Kerger has made significant contributions to companies such as Luxembourg Patent Company S.A. and Ceodeux S.A. His innovative solutions have not only enhanced the efficiency of valve systems but also improved user experience in various industrial applications.

Collaborations:

Kerger's success would not have been possible without the support and collaboration of his dedicated coworkers, including Jean-Claude Schmitz and Paul Kremer. Together, they have worked tirelessly to bring cutting-edge inventions to life and revolutionize the valve industry.

Conclusion:

In conclusion, Leon Kerger stands as a beacon of innovation in the realm of valve technology. His passion for creating practical solutions and his relentless pursuit of excellence have cemented his reputation as a visionary inventor. With 18 patents under his belt and a promising future ahead, Kerger continues to inspire the next generation of inventors with his ingenuity and expertise.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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