Doikos Investments Ltd.

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 50.0

EPO Patents = 3

Forward Citations = 21

Loading Chart...

4 inventors (with patents filed for the assignee):

Jakob Stiefel (3 out of 4 patents)

Martin Stiefel (2 out of 2 patents)

Thomas Stiefel (2 out of 2 patents)

4. Michael Sandeman (1 out of 1 patent)

5. Rainer Bunge (2 patents)

6. Michael Sandeman (0 patent)

6 patents: Sort by Forward Citations

1. 9157632 - Water-cooled sliding combustion grate having a parallel drive (2015-10-13),

2. 8590465 - Liquid-cooled grill plate comprising wear plates and stepped grill made of such grill plates (2013-11-26),

3. 8256361 - Liquid-cooled grill comprising wear plates (2012-09-04),

4. 6155184 - Process for incinerating solids on a water-cooled thrust combustion (2000-12-05),

5. 6024031 - Water-cooled thrust combustion grate (2000-02-15),

6. 5673636 - Garbage incineration process on an incineration grate, incineration (1997-10-07),

Company Overview

Doikos Investments Ltd. is a leading investment firm specializing in real estate and alternative investments. With a proven track record of successful deals and a team of experienced professionals, we offer innovative solutions to meet our clients' financial goals. Our commitment to excellence and integrity sets us apart in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#2 in St. Helier, Jersey

#2,680 in United Kingdom

St. Helier, Jersey, United Kingdom

Doikos Investments Ltd.

Forward Citations = 21

4 inventors:

Jakob Stiefel (3 out of 4 patents)

Martin Stiefel (2 out of 2 patents)

Thomas Stiefel (2 out of 2 patents)

4. Michael Sandeman (1 out of 1 patent)

5. Rainer Bunge (2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Doikos Investments Ltd.. Retrieved from https://idiyas.com/company/doikos-investments

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]

3 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]