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Evac International Oy

USPTO Granted Patents = 38

EPO Patents = 1

Trademarks = 1

Forward Citations = 466

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35 inventors (with patents filed for the assignee):

Mark A Pondelick (16 out of 31 patents)

Jay D Stradinger (13 out of 13 patents)

Douglas M Wallace (12 out of 12 patents)

4. Arthur J McGowan, Jr (11 out of 11 patents)

5. Michael B Hancock (11 out of 11 patents)

6. Ian Tinkler (10 out of 12 patents)

7. William Bruce Anderson (9 out of 15 patents)

8. Vesa Lappalainen (4 out of 8 patents)

9. Gunnar Lindroos (3 out of 6 patents)

10. Tommi Naski (3 out of 3 patents)

11. Bjorn Von Palffy (3 out of 3 patents)

12. Henry Olin (2 out of 6 patents)

13. Mitchell D Gilbert (1 out of 2 patents)

14. Kaj Ronnblad (1 out of 2 patents)

15. Timo Metsänen (1 out of 1 patent)

38 patents: Sort by Forward Citations

1. 8944778 - Liquid ring pump and method for operating a liquid ring pump (2015-02-03),

2. 8381324 - Vacuum sewage system (2013-02-26),

3. 7845028 - Vacuum sewer system (2010-12-07),

4. 7770241 - Vacuum sewer system (2010-08-10),

5. 7077958 - Sewage treatment plant (2006-07-18),

6. 6748973 - Valve means (2004-06-15),

7. 6732386 - Rinse fluid valve for a vacuum toilet (2004-05-11),

8. 6704947 - Discharge valve for a vacuum toilet (2004-03-16),

9. 6651837 - Vacuum waste tank (2003-11-25),

10. 6648002 - Vacuum sewer system (2003-11-18),

11. 6645387 - Separator device (2003-11-11),

12. 6638420 - Apparatus for sewage treatment (2003-10-28),

13. 6536055 - Modular vacuum toilet with line replaceable units (2003-03-25),

14. 6536054 - Vacuum toilet bowl assembly having removable bowl (2003-03-25),

15. 6474357 - Vacuum sewer system (2002-11-05),

Evac International Oy specializes in providing integrated solutions for waste, wastewater, and water management systems. With over 40 years of experience, their advanced technologies and expertise ensure sustainable and efficient solutions for various industries such as marine, offshore, and construction. Evac's comprehensive range of products includes vacuum collection systems, wastewater treatment plants, dry and wet waste management systems, and water purification systems. They are committed to helping their customers reduce their environmental impact and improve their operational efficiency.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

38 Patents

#29 in Espoo

#93 in Finland

#17,325 in the World

Evac International Oy

Forward Citations = 466

35 inventors:

Mark A Pondelick (16 out of 31 patents)

Jay D Stradinger (13 out of 13 patents)

Douglas M Wallace (12 out of 12 patents)

4. Arthur J McGowan, Jr (11 out of 11 patents)

5. Michael B Hancock (11 out of 11 patents)

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