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Trademarks = 1

Forward Citations = 218

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6 inventors (with patents filed for the assignee):

S Merrill Skeist (8 out of 11 patents)

Richard H Baker (4 out of 42 patents)

Derek Chambers (3 out of 13 patents)

4. Leo Gross (3 out of 13 patents)

5. Cliff Scapellati (1 out of 3 patents)

6. Andrzej Bortkiewicz (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 6984897 - Electro-mechanical energy conversion system having a permanent magnet machine with stator, resonant transfer link and energy converter controls (2006-01-10),

2. 6954004 - Doubly fed induction machine (2005-10-11),

3. 6924991 - Energy transfer multiplexer (2005-08-02),

4. 6469469 - Variable output induction motor drive system (2002-10-22),

5. 5668708 - DC power supply with reduced ripple (1997-09-16),

6. 4805081 - Multi-mode control systems for high-frequency resonant inverters (1989-02-14),

7. 4636685 - Magnetic arc spreading fluorescent lamp with protective envelope (1987-01-13),

8. 4488214 - High-power, high-frequency inverter system with combined digital and (1984-12-11),

9. 4311943 - Fluorescent lamp with arc spreading with recombination structures (1982-01-19),

10. 4311942 - Compact fluorescent lamp and method and means for magnetic arc spreading (1982-01-19),

11. 4248162 - Table with electrostatic air purifier/cleaner (1981-02-03),

Spellman High Voltage Electronics Corporation is a leading provider of high voltage power supplies for medical, industrial and scientific applications. With over 70 years of experience, Spellman offers a wide range of products and solutions to meet the needs of various industries.

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USPTO Data Jan 1 1976 - Dec 30 2025

11 Patents

#25 in Hauppauge, NY

#1,500 in New York

#26,747 in US

#50,241 in the World

Hauppauge, NY, United States of America

Spellman High Voltage Electronics Corporation