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For the Inventor, By the Inventor

Trostberg, Germany

Construction Research & Technology Gmbh


USPTO Granted Patents = 216



Trademarks = 74

Forward Citations = 1,206

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342 inventors (with patents filed for the assignee):

goldMedal Gerhard Albrecht (27 out of 39 patents)

silverMedal Alexander Kraus (23 out of 26 patents)

bronzeMedal Klaus Lorenz (18 out of 18 patents)

4.  Harald Grassl (16 out of 19 patents)

5.  Christian Scholz (13 out of 14 patents)

6.  Petra Wagner (13 out of 13 patents)

7.  Burkhard Walther (12 out of 17 patents)

8.  Thomas M Vickers, Jr (12 out of 25 patents)

9.  Frank Shaode Ong (11 out of 12 patents)

10.  Mario Vierle (10 out of 10 patents)

11.  Luc Nicoleau (10 out of 15 patents)

12.  Barbara Wimmer (10 out of 10 patents)

13.  Jeffrey R Bury (10 out of 19 patents)

14.  Helmut Mack (9 out of 42 patents)

15.  William F Egan (9 out of 18 patents)


Core Competencies:
Cementitious Compositions
Alkali-Silica Reaction
Expanded Microspheres
Geopolymer Foam
Corrosion Protection
Strength Enhancing Admixture
Water-Reducing Additives
Polyamide Foams
Dispersant Composition
Copolymers
Liquid Coloring Suspension
Hydraulically Setting Compounds

216 patents:

1. 12415752 - Construction composition (2025-09-16),
2. 12351526 - Method of stabilizing an admixture component, a stabilized admixture for cementitious compositions, cementitious composition, cementitious structures and methods of making the same (2025-07-08),
3. 12226938 - Device for preparation of expanded microspheres (2025-02-18),
4. 11981606 - Cement-reduced construction composition (2024-05-14),
5. 11940068 - Pipe joint, pipe and method of joining pipe sections (2024-03-26),
6. 11939273 - Limestone calcined clay cement (LC3) construction composition (2024-03-26),
7. 11820710 - Mitigation of alkali-silica reaction in concrete using readily-soluble chemical additives (2023-11-21),
8. 11655073 - Bucket (2023-05-23),
9. 11608295 - Dispersant composition (2023-03-21),
10. 11559777 - Microencapsulated polyaddition catalyst (2023-01-24),
11. 11519077 - Galvanic anode and method of corrosion protection (2022-12-06),
12. 11512026 - Use of zinc salts in combination with alkyl amines in cement-based dry mortar mixtures (2022-11-29),
13. 11485683 - Polycondensate based water-reducer (2022-11-01),
14. 11377392 - Additive for hydraulically setting compositions (2022-07-05),
15. 11339094 - Mitigation of alkali-silica reaction in concrete using readily-soluble chemical additives (2022-05-24),
Construction Research & Technology GmbH is a leading construction technology company that specializes in research, development, and implementation of innovative solutions for the construction industry. With our cutting-edge technology and expertise, we provide state-of-the-art solutions to enhance construction processes, improve efficiency, and optimize cost-effectiveness. Our wide range of offerings includes advanced construction materials, intelligent building systems, automated construction equipment, and data-driven project management tools. By combining industry knowledge with technological advancements, we aim to shape the future of the construction sector and deliver sustainable, safe, and high-quality construction projects.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

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216 Patents

#1 in Trostberg

#304 in Germany

#3,830 in the World

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Trostberg, Germany

Construction Research & Technology Gmbh

Forward Citations = 1,206

342 inventors:

goldMedal Gerhard Albrecht (27 out of 39 patents)

silverMedal Alexander Kraus (23 out of 26 patents)

bronzeMedal Klaus Lorenz (18 out of 18 patents)

4.  Harald Grassl (16 out of 19 patents)

5.  Christian Scholz (13 out of 14 patents)

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