Trademarks = 1

Forward Citations = 143

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12 inventors (with patents filed for the assignee):

Norbert Ueffing (3 out of 6 patents)

Hilmar Darrelmann (2 out of 3 patents)

Ralf Briest (2 out of 2 patents)

4. Wolf-Ruediger Canders (2 out of 4 patents)

5. Joachim Huntgeburth (1 out of 2 patents)

6. Uwe Schrader-Hausmann (1 out of 2 patents)

7. Uwe Reuter (1 out of 1 patent)

8. Harald Gosebruch (1 out of 18 patents)

9. Heinrich Von Sothen (1 out of 1 patent)

10. Heinz Siefen (1 out of 1 patent)

11. Elmar Kueck (1 out of 1 patent)

12. Klaus Sachs (1 out of 7 patents)

7 patents: Sort by Forward Citations

1. 6628012 - Uninterruptible power supply (2003-09-30),

2. 6573626 - Apparatus for uninterruptedly supplying power including an electrical machine and a flywheel (2003-06-03),

3. 6424057 - Uninterruptible power supply (UPS) system with primary air cooling (2002-07-23),

4. 6113023 - Take-up device (2000-09-05),

5. 6023152 - System for stabilizing a power supply system (2000-02-08),

6. 5628191 - Natural gas expansion plant (1997-05-13),

7. 5457870 - Method of making a rotor (1995-10-17),

Company Overview

Piller is a world leader in the design and manufacturing of high-quality power protection systems. With over 100 years of experience, Piller offers innovative solutions for data centers, industrial facilities, and other critical applications. Their products include rotary UPS systems, diesel rotary UPS systems, and static UPS systems, all designed to ensure reliable power supply and prevent downtime.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#1 in Osterode

#4,860 in Germany

Osterode, Germany

Piller Gmbh

Forward Citations = 143

12 inventors:

Norbert Ueffing (3 out of 6 patents)

Hilmar Darrelmann (2 out of 3 patents)

Ralf Briest (2 out of 2 patents)

4. Wolf-Ruediger Canders (2 out of 4 patents)

5. Joachim Huntgeburth (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Piller Gmbh. Retrieved from https://idiyas.com/company/piller

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]