CIPO Patents = 1

Forward Citations = 161

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9 inventors (with patents filed for the assignee):

Dieter H Kallenbach (5 out of 15 patents)

David S Atkins (2 out of 8 patents)

Chris A Rice (1 out of 12 patents)

4. Andrew W Dawson (1 out of 2 patents)

5. John T Evans (1 out of 2 patents)

6. Desroy D Smith (1 out of 3 patents)

7. Alain J Gazzola (1 out of 3 patents)

8. Robert W Marklew (1 out of 1 patent)

9. William Stone (1 out of 1 patent)

10. Helge Jochen Schneider (0 patent)

9 patents: Sort by Forward Citations

1. 5421054 - Swimming pool cleaner discs (1995-06-06),

2. 5315728 - Swimming pool cleaner components (1994-05-31),

3. D346888 - Automatic swimming pool cleaner (1994-05-10),

4. D343035 - Counterbalance for an automatic swimming pool cleaner head (1994-01-04),

5. D343034 - Counterbalance for an automatic swimming pool cleaner head (1994-01-04),

6. 5269913 - Debris trap (1993-12-14),

7. D325796 - Automatic swimming pool cleaner (1992-04-28),

8. 5105848 - Automatic relief valve (1992-04-21),

9. 5100541 - In-line debris trap for swimming pool filtration system (1992-03-31),

Zarina Holding C.v. is a leading investment firm based in the Netherlands. With a diversified portfolio ranging from real estate to technology companies, Zarina Holding is focused on long-term growth and value creation. The company's strategic investments and partnerships have enabled them to achieve sustainable financial success in various industries.

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USPTO Data Jan 1 1976 - Dec 16 2025

9 Patents

#61 in Amsterdam

#669 in Netherlands

Amsterdam, Netherlands

Zarina Holding C.v.