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For the Inventor, By the Inventor

Radolfzell, Germany

Ing. Erich Pfeiffer Gmbh


USPTO Granted Patents = 111

% Expired Patents = 24.3



Forward Citations = 2,431

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48 inventors (with patents filed for the assignee):

goldMedal Karl-Heinz Fuchs (38 out of 79 patents)

silverMedal Stefan Ritsche (28 out of 37 patents)

bronzeMedal Juergen Greiner-Perth (15 out of 32 patents)

4.  Michael Helmlinger (7 out of 13 patents)

5.  Hans Merk (7 out of 10 patents)

6.  Joachim Koerner (6 out of 9 patents)

7.  Esther Amann (6 out of 7 patents)

8.  Peter Stadelhofer (5 out of 8 patents)

9.  Lothar Graf (5 out of 19 patents)

10.  Thomas Bruder (4 out of 20 patents)

11.  Holger Schuerle (4 out of 4 patents)

12.  Gerald Krampen (3 out of 10 patents)

13.  Miro S Cater (3 out of 34 patents)

14.  Michael Wolter (3 out of 7 patents)

15.  Rene Bommer (3 out of 3 patents)


Core Competencies:
Media Dispenser
Dosing Device
Inhaler
Microdosing Device
Discharge Device
Valve Mechanism
Metering Pump
Cosmetic Powder Application
Liquid Media
Flowable Media
Smart Dispensing
Pump Device

111 patents:

1. 8596266 - Discharging device (2013-12-03),
2. 8348096 - Discharge device with discharge stroke which reduces volume of media and dosage chambers (2013-01-08),
3. 8336563 - Device for application of a cosmetic powder to a sponge (2012-12-25),
4. 8292129 - Dispensing device (2012-10-23),
5. 8292124 - Discharge device (2012-10-23),
6. 8162183 - Dispensing device for media (2012-04-24),
7. D657448 - Inhaler (2012-04-10),
8. D657447 - Inhaler (2012-04-10),
9. D657446 - Inhaler (2012-04-10),
10. 8113204 - Microdosing device (2012-02-14),
11. 8109414 - Discharge device (2012-02-07),
12. 8056765 - Discharge device for media (2011-11-15),
13. 8038036 - Discharge device (2011-10-18),
14. 8006870 - Discharger for a flowable medium (2011-08-30),
15. 7950391 - Dispenser and dosing subassembly for dosing of a medium (2011-05-31),
Company Overview
Ing. Erich Pfeiffer GmbH, based in Radolfzell, Germany, specializes in the development and manufacturing of advanced media dispensing technologies. The company focuses on a range of innovative solutions including media dispensers, dosing devices, inhalers, and microdosing devices. Their expertise extends to valve mechanisms, metering pumps, and applications for cosmetic powder. With a commitment to precision and efficiency, Pfeiffer GmbH serves various industries, enhancing product delivery and user experience through cutting-edge technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Ing. Erich Pfeiffer Gmbh USPTO Patent Assignee Logo
111 Patents

#3 in Radolfzell

#537 in Germany

#7,114 in the World

Radolfzell, DE
Radolfzell, Germany

Ing. Erich Pfeiffer Gmbh

Forward Citations = 2,431

48 inventors:

goldMedal Karl-Heinz Fuchs (38 out of 79 patents)

silverMedal Stefan Ritsche (28 out of 37 patents)

bronzeMedal Juergen Greiner-Perth (15 out of 32 patents)

4.  Michael Helmlinger (7 out of 13 patents)

5.  Hans Merk (7 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ing. Erich Pfeiffer Gmbh. Retrieved from https://idiyas.com/company/ing-erich-pfeiffer

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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