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Forward Citations = 182

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11 inventors (with patents filed for the assignee):

Hannu Sarvanne (6 out of 6 patents)

Leo Numminen (1 out of 1 patent)

Eero Oinonen (1 out of 1 patent)

4. Jukka Palmu (1 out of 1 patent)

5. Jyrki Tolvanen (1 out of 1 patent)

6. Martti Varis (1 out of 2 patents)

7. Rolf Lund (1 out of 1 patent)

8. Rauno Seppanen (1 out of 1 patent)

9. Sixten Jakobsson (1 out of 1 patent)

10. Yrjo Tyllinen (1 out of 1 patent)

11. Kaj Nyman (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 4999117 - Monitoring method for wastewater pump station and compatible apparatus (1991-03-12),

2. 4676718 - Impeller for a pump, especially a vortex pump (1987-06-30),

3. 4614478 - Pump impeller (1986-09-30),

4. 4389159 - Centrifugal pump (1983-06-21),

5. 4324531 - Guide apparatus for a submersible pump (1982-04-13),

6. 4305818 - Vacuum sewage system (1981-12-15),

7. 4193604 - Means for carrying a cable through a wall (1980-03-18),

8. 4178139 - Cistern pumping plant (1979-12-11),

9. 4061345 - Seal for a rotating shaft (1977-12-06),

Oy E. Sarlin Ab is a Finnish company specializing in industrial fluid handling solutions. Established in 1970, Sarlin provides a wide range of products and services including pumps, valves, instrumentation, and automation systems. With a strong focus on customer satisfaction and technical expertise, Sarlin has built a reputation for excellence in the industry. Visit their website for more information.

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

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USPTO Data Jan 1 1976 - Sep 22 2026

9 Patents

#94 in Helsinki

#326 in Finland

Helsinki, Finland

Oy E. Sarlin Ab