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Hoppecke, Germany

Accumulatorenwerke Hoppecke Carl Zoellner & Sohn Gmbh & Co. Kg

USPTO Granted Patents = 18

Trademarks = 2

Forward Citations = 127

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22 inventors (with patents filed for the assignee):

Jean P Ruch (6 out of 11 patents)

Wilhelm Cramer (4 out of 4 patents)

Norbert Wilhelm Lahme (4 out of 8 patents)

4. Werner Nitsche (3 out of 9 patents)

5. Detlef Katryniok (3 out of 3 patents)

6. Werner Hampe (2 out of 2 patents)

7. Eberhard Nann (2 out of 14 patents)

8. Günter Sassmannshausen (2 out of 2 patents)

9. Josef Nelles (2 out of 2 patents)

10. Hugo Pack (2 out of 2 patents)

11. Heinrich Kesper (1 out of 9 patents)

12. Manfred Hülscher (1 out of 1 patent)

13. Jürgen Freitag (1 out of 1 patent)

14. Ute Vielhaber (1 out of 1 patent)

15. Karl-Wilhelm Vogel (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 6844104 - Vent plug system for storage batteries (2005-01-18),

2. 6677075 - Plug arrangement for a cell vent of a storage battery (2004-01-13),

3. 6660426 - Multi-cell storage battery with gas vent in a cover assembly (2003-12-09),

4. 6635386 - Process for producing an industrial electrolyte for lead storage batteries in the form of a thixotropic gel (2003-10-21),

5. 6488982 - Method of producing separator materials (2002-12-03),

6. 6254841 - Recombination system for the catalytic recombination of hydrogen and oxygen, forming in storage batteries, into water (2001-07-03),

7. 6254818 - Method of treating elastic materials that are provided with silica embedments (2001-07-03),

8. 6114066 - Method of producing lead storage batteries (2000-09-05),

9. 5380604 - Lead accumulator (1995-01-10),

10. 5212867 - Method and unit for filling electrochemical cells (1993-05-25),

11. 5007467 - Method and apparatus for producing cathodes for dry-cell batteries, (1991-04-16),

12. 4643235 - Method for making oxygen electrode for alkaline galvanic cells (1987-02-17),

13. 4600664 - Storage battery (1986-07-15),

14. 4507367 - Galvanic element, particularly a metal-air cell (1985-03-26),

15. 4490443 - Battery having electrolyte supply reservoir and activation tank disposed (1984-12-25),

Accumulatorenwerke Hoppecke Carl Zoellner & Sohn GmbH & Co. KG is a leading manufacturer of industrial batteries and energy solutions. With over 95 years of experience, the company offers a wide range of innovative battery technologies, uninterruptible power supply systems, and energy storage solutions for various industries including logistics, telecommunications, renewable energy, and automotive. Hoppecke's reliable and high-performance products ensure efficient power supply and sustainable energy management for their customers.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

18 Patents

#1 in

#2,403 in Germany

#33,167 in the World

Hoppecke, Germany

Accumulatorenwerke Hoppecke Carl Zoellner & Sohn Gmbh & Co. Kg

Forward Citations = 127

22 inventors:

Jean P Ruch (6 out of 11 patents)

Wilhelm Cramer (4 out of 4 patents)

Norbert Wilhelm Lahme (4 out of 8 patents)

4. Werner Nitsche (3 out of 9 patents)

5. Detlef Katryniok (3 out of 3 patents)

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