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For the Inventor, By the Inventor

Trostberg, Germany

Construction Research & Technology Gmbh


USPTO Granted Patents = 220

% Expired Patents = 28.6



Trademarks = 57

Forward Citations = 1,248

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351 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 20 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.  Jeffrey R Bury (12 out of 21 patents)

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

11.  Mario Vierle (10 out of 10 patents)

12.  Luc Nicoleau (10 out of 15 patents)

13.  Barbara Wimmer (10 out of 10 patents)

14.  Helmut Mack (9 out of 42 patents)

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


Core Competencies:
Cementitious Compositions
Admixtures
Quality Control
Corrosion Protection
Geopolymer Foam
Strength Enhancers
Hardening Accelerators
Surface Modifiers
Polycarboxylate Ethers
Expanded Microspheres
Low VOC Membranes
Inorganic Binders

220 patents:

1. 12698235 - Use of a naphthalenesulfonic acid polycondensate as a plasticizer in a construction composition and construction composition (2026-08-04),
2. 12555047 - Systems and methods for formulating or evaluating a construction composition (2026-02-17),
3. 12534405 - Shotcrete composition (2026-01-27),
4. 12528748 - System and methods for performing quality control on a construction composition (2026-01-20),
5. 12415752 - Construction composition (2025-09-16),
6. 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),
7. 12226938 - Device for preparation of expanded microspheres (2025-02-18),
8. 11981606 - Cement-reduced construction composition (2024-05-14),
9. 11940068 - Pipe joint, pipe and method of joining pipe sections (2024-03-26),
10. 11939273 - Limestone calcined clay cement (LC3) construction composition (2024-03-26),
11. 11820710 - Mitigation of alkali-silica reaction in concrete using readily-soluble chemical additives (2023-11-21),
12. 11655073 - Bucket (2023-05-23),
13. 11608295 - Dispersant composition (2023-03-21),
14. 11559777 - Microencapsulated polyaddition catalyst (2023-01-24),
15. 11519077 - Galvanic anode and method of corrosion protection (2022-12-06),
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 - Sep 29 2026

Construction Research & Technology Gmbh
220 Patents

#1 in Trostberg

#267 in Germany

#3,880 in the World

Trostberg, DE
Trostberg, Germany

Construction Research & Technology Gmbh

Forward Citations = 1,248

351 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 20 patents)

5.  Christian Scholz (13 out of 14 patents)

Please report any incorrect information to [email protected]
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