% Expired Patents = 62.5

EPO Patents = 5

Forward Citations = 137

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4 inventors (with patents filed for the assignee):

Michael John Evans (5 out of 31 patents)

Richard P H Pankhurst (5 out of 7 patents)

Brian Douglas Smith (5 out of 13 patents)

4. Pedro Queiroz Vieira (3 out of 6 patents)

5. Richard Paul Hayes-Pankhurst (21 patents)

6. Graham Keith Lacy (36 patents)

7. Richard Paul Hayes Pankhurst (0 patent)

8. Michael Joseph Evans (0 patent)

9. Simon Paul Wells (0 patent)

8 patents: Sort by Forward Citations

1. 8632059 - Dispersing fragrances (2014-01-21),

2. 8074970 - Dispersing fragrances (2011-12-13),

3. 7926792 - Dispersing fragrances (2011-04-19),

4. 7841587 - Dispersing fragrances (2010-11-30),

5. 7748687 - Dispersing fragrances (2010-07-06),

6. 6912355 - Device for the evaporation of volatile active substances having a heating body and method (2005-06-28),

7. 6896196 - Evaporative container for volatile substances (2005-05-24),

8. 6501906 - Evaporation device for volatile substances (2002-12-31),

Company Overview

CTR Consultoria Tecnica E Representacoes, Lda is a leading consulting and representation company based in Portugal. With a strong track record of providing technical consulting services to a wide range of clients, CTR offers expertise in various industries such as construction, engineering, and project management. They are committed to delivering high-quality solutions and building long-term partnerships with their clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#1 in Samora Correia

#25 in Portugal

Samora Correia, Portugal

Ctr Consultoria Tecnica E Representacoes, Lda

Forward Citations = 137

4 inventors:

Michael John Evans (5 out of 31 patents)

Richard P H Pankhurst (5 out of 7 patents)

Brian Douglas Smith (5 out of 13 patents)

4. Pedro Queiroz Vieira (3 out of 6 patents)

5. Richard Paul Hayes-Pankhurst (21 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ctr Consultoria Tecnica E Representacoes, Lda. Retrieved from https://idiyas.com/company/ctr-consultoria-tecnica-e-representacoes-lda

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

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]

5 patents (EPO):

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]