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For the Inventor, By the Inventor

Radolfzell, Germany

Ing. Erich Pfeiffer Gmbh


USPTO Granted Patents = 111



Forward Citations = 2,324

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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 (14 out of 32 patents)

4.  Michael Helmlinger (7 out of 11 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 9 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:
Discharge Device
Dispensing Device
Inhaler
Microdosing Device
Metering Device
Dosing Device
Dispenser Head
Valve Mechanism
Metering Pump
Cosmetic Powder Application
Flowable Media
Liquid Dispenser

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),
Ing. Erich Pfeiffer GmbH is a renowned engineering company specializing in providing innovative solutions for diverse industrial sectors. With over 50 years of experience, we offer a comprehensive range of services including process automation, electrical engineering, robotics, and industrial software development. Our team of highly skilled engineers and technicians ensures the highest quality standards and customer satisfaction. Visit our website to learn more about our expertise and discover how we can assist your business.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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111 Patents

#2 in Radolfzell

#570 in Germany

#6,910 in the World

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Radolfzell, Germany

Ing. Erich Pfeiffer Gmbh

Forward Citations = 2,324

48 inventors:

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

silverMedal Stefan Ritsche (28 out of 37 patents)

bronzeMedal Juergen Greiner-Perth (14 out of 32 patents)

4.  Michael Helmlinger (7 out of 11 patents)

5.  Hans Merk (7 out of 10 patents)

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