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For the Inventor, By the Inventor

Espoo, Finland

Evac Oy

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USPTO Granted Patents = 9


Trademarks = 1

Forward Citations = 3

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17 inventors (with patents filed for the assignee):

goldMedal Vesa Lappalainen (4 out of 8 patents)

silverMedal Jari Jokela (2 out of 2 patents)

bronzeMedal Kaj Rönnblad (1 out of 1 patent)

4.  Mika Karjalainen (1 out of 1 patent)

5.  Gunnar Lindroos (1 out of 6 patents)

6.  Kaj Ronnblad (1 out of 2 patents)

7.  James Oltz (1 out of 1 patent)

8.  Cody Bowers (1 out of 1 patent)

9.  Chris Hawkins (1 out of 1 patent)

10.  James Ehrlich (1 out of 1 patent)

11.  Matthew A Wales (1 out of 1 patent)

12.  Timothy W Monson (1 out of 1 patent)

13.  Jari-Petri Voutilainen (1 out of 1 patent)

14.  Jussi YLIMÄKI (0 patent)

15.  Teemu Ylänen (0 patent)


9 patents:

1. D1123122 - Water closet (2026-04-21),
2. 12448767 - Buffer box of a vacuum drainage system (2025-10-21),
3. 11767249 - Method and system for treatment of organic waste (2023-09-26),
4. 11440065 - Method and installation for handling medical waste collected in a receptacle for medical waste, catherter bag for use in such an installation and medical waste management system (2022-09-13),
5. 11391031 - Method of controlling a vacuum waste system and a vacuum waste system (2022-07-19),
6. 11267743 - Method and system for treatment of organic waste (2022-03-08),
7. 10767360 - Toilet arrangement (2020-09-08),
8. 10655317 - Method for controlling a vacuum sewage system for a building or for a marine vessel (2020-05-19),
9. RE45688 - Vacuum sewer system (2015-09-28),
Company Overview
Evac Oy is a global company that provides integrated waste, wastewater, and water management systems for the marine, offshore, and building industries. With over 40 years of experience, Evac offers efficient and sustainable solutions to help customers meet environmental regulations and reduce their environmental footprint. The company's products and services are designed to ensure the safe and environmentally responsible handling of waste and water in various applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

9 Patents

#67 in Espoo

#326 in Finland

Espoo, FI
Espoo, Finland

Evac Oy

Forward Citations = 3

17 inventors:

goldMedal Vesa Lappalainen (4 out of 8 patents)

silverMedal Jari Jokela (2 out of 2 patents)

bronzeMedal Kaj Rönnblad (1 out of 1 patent)

4.  Mika Karjalainen (1 out of 1 patent)

5.  Gunnar Lindroos (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Evac Oy. Retrieved from https://idiyas.com/company/evac-oy

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]
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