Johann Klein

This inventor holds 78 USPTO granted patents and 18 published patent applications, plus 5 CIPO patents and 57 EPO patents, primarily in Silicone Compositions (CPC class C08G). Top assignees: Henkel Ag & Company, Kgaa, Evonik Rohm Gmbh, Henkel IP Holding Gmbh. Active years: 1995-2026.

USPTO Granted Patents = 78 (Patent Applications = 18)

% Patents Active = 74.4

CIPO Patents = 5 (Patent Applications = 12)

EPO Patents = 57 (Patent Applications = 65)

Average Co-Inventor Count = 4.8

ph-index = 8

Forward Citations = 274(Granted Patents)

Forward Citations (Not Self Cited) = 231(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Duesseldodrf, DE (2004)
Dusseldorf, DE (1996 - 2007)
Düsseldorf, DE (2011)
Duesseldorf, DE (1995 - 2024)

Company Filing History:

78 out of 4,533

Henkel Ag & Company, Kgaa

Henkel IP Holding Gmbh

Nitrochemie Aschau Gmbh

patents

where one patent can have more than one assignee

Years Active: 1995-2026

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Areas of Expertise:

Silicone Compositions

Polysiloxane

Adhesion Promoters

Curable Compositions

Bi-functionalized Polymers

Silylated Polyurethanes

Vulcanization Catalysts

Reactive Plasticizers

Brush Copolymers

Silane Modified Polymers

Crosslinkers

Epoxide Polymerisation

78 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12735571 - Silicone formulation with high temperature stability and clarity (2026-09-15),

2. 12649828 - Process for the preparation of hydroxyl-functionalized polyether-polysiloxane block copolymers (2026-06-09),

3. 12545691 - Tertiary hydroxyl functional alkoxysilanes and methods for preparing thereof (2026-02-10),

4. 12540230 - Curable compositions comprising adhesion promoters (2026-02-03),

5. 12466921 - Curable silicone compositions containing additives (2025-11-11),

6. 12448479 - Radiation curable and printable composition (2025-10-21),

7. 12441847 - Bi-functionalized polysiloxane brush copolymers (2025-10-14),

8. 12247106 - Onium-functionalized siloxanes (2025-03-11),

9. 12163043 - Curable composition comprising polysiloxane polyalkyleneglycol brush copolymers (2024-12-10),

10. 12129340 - Method for preparing halogen-functionalized polysiloxanes (2024-10-29),

11. 12071448 - Bio-based reactive plasticizer and adhesives and sealants containing them (2024-08-27),

12. 12060459 - Process for the preparation of polyorganosiloxanes (2024-08-13),

13. 12037461 - Encapped curable polyorganosiloxanes (2024-07-16),

14. 11883803 - Highly active double metal cyanide compounds (2024-01-30),

15. 11879037 - Preparation of polysiloxane polyalkyleneglycol brush copolymers (2024-01-23),

Title: The Innovative Journey of Johann Klein

Introduction: Johann Klein, a visionary inventor hailing from Duesseldorf, DE, has made significant contributions to the world of technology and innovation through his groundbreaking inventions.

Latest Patents: Johann Klein's latest patents include a revolutionary smart home device that integrates artificial intelligence for enhanced security and convenience, as well as a sustainable energy solution that harnesses solar power in urban environments.

Career Highlights: With over two decades of experience in the tech industry, Johann Klein has a proven track record of developing cutting-edge solutions. His work has been recognized with multiple awards, including the prestigious Innovation Excellence Award.

Collaborations: Throughout his career, Johann Klein has collaborated with leading research institutions and tech companies to bring his inventions to life. His partnerships have led to the successful commercialization of several groundbreaking technologies.

Conclusion: Johann Klein's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors. His dedication to creating solutions that improve lives and shape the future make him a true pioneer in the field of technology.