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For the Inventor, By the Inventor

Zug, Switzerland

Holcim Technology Ltd


USPTO Granted Patents = 92



Trademarks = 159

Forward Citations = 29

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139 inventors (with patents filed for the assignee):

goldMedal Michael J Hubbard (20 out of 79 patents)

silverMedal Joseph Carr (11 out of 28 patents)

bronzeMedal Jiansheng Tang (9 out of 37 patents)

4.  John B Letts (9 out of 32 patents)

5.  Christian Schuldt (8 out of 8 patents)

6.  Hao Wang (8 out of 39 patents)

7.  Arne Stecher (7 out of 7 patents)

8.  Chunhua Yao (7 out of 12 patents)

9.  Urs Gasser (7 out of 7 patents)

10.  Carl E Watkins, Jr (6 out of 10 patents)

11.  Donna C Tippmann (6 out of 11 patents)

12.  Todd David Taykowski (6 out of 8 patents)

13.  Wensheng Zhou (4 out of 32 patents)

14.  Brian Alexander (4 out of 6 patents)

15.  Joseph John Kalwara (4 out of 27 patents)


Core Competencies:
Thermoplastic Roofing Membranes
Foam Construction Boards
Composite Insulating Materials
Fire-Resistant Roofing Systems
Polyisocyanurate Insulation
Expandable Graphite Composites
3D Printing Building Materials
Cemented Paste Backfill
Pressure-Sensitive Adhesives
Ultra-Light Mineral Foam
Reroofing Techniques
Wind Power Plant Foundations

92 patents:

1. 12391029 - Thermoplastic roofing membranes for fully-adhered roofing systems (2025-08-19),
2. 12385253 - Fabric-backed roofing membrane composite (2025-08-12),
3. 12358190 - Process to yield foam construction boards with low surface irregularities (2025-07-15),
4. 12343957 - Asphaltic sheet materials including expandable graphite (2025-07-01),
5. 12343942 - Process for joining overlapping thermoplastic membrane components (2025-07-01),
6. 12337581 - Construction boards with foil-containing facers (2025-06-24),
7. 12305385 - Process for encapsulating fragile insulation materials within polyisocyanurate (2025-05-20),
8. 12304872 - Method for producing a composite insulating mineral construction element (2025-05-20),
9. 12291620 - Isocyanate-based foam construction boards (2025-05-06),
10. 12286377 - Process of preparing a cemented paste backfill material (2025-04-29),
11. 12263622 - Process for producing isocyanate-based foam construction boards (2025-04-01),
12. 12247399 - Fire-resistant roof system and membrane composite (2025-03-11),
13. 12220898 - Thermoplastic roofing membranes adapted for adhesion to polar adhesives (2025-02-11),
14. 12173509 - Method of reroofing (2024-12-24),
15. 12172358 - System and method for continuously manufacturing cured membranes (2024-12-24),
Holcim Technology Ltd is a subsidiary of Holcim Group, a leading global construction materials and solutions company. Holcim Technology focuses on providing innovative and sustainable solutions for the construction industry. Through research, development, and collaboration, Holcim Technology offers products and services such as cement technologies, construction systems, and digital solutions to improve efficiency, durability, and environmental performance in construction projects worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

92 Patents

#9 in Zug

#168 in Switzerland

#8,101 in the World

...
Zug, Switzerland

Holcim Technology Ltd

Forward Citations = 29

139 inventors:

goldMedal Michael J Hubbard (20 out of 79 patents)

silverMedal Joseph Carr (11 out of 28 patents)

bronzeMedal Jiansheng Tang (9 out of 37 patents)

4.  John B Letts (9 out of 32 patents)

5.  Christian Schuldt (8 out of 8 patents)

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