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Kaiserslautern, Germany

Pfaff Industriemaschinen Gmbh

Calculating rank

USPTO Granted Patents = 179

% Expired Patents = 0.56

EPO Patents = 1

Forward Citations = 1,133

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121 inventors (with patents filed for the assignee):

Erich Willenbacher (33 out of 35 patents)

Walter Hager (16 out of 17 patents)

Ernst Albrecht (11 out of 11 patents)

4. Albert Dusch (11 out of 11 patents)

5. Kurt Klundt (9 out of 16 patents)

6. Herbert Dietrich (9 out of 10 patents)

7. Reinhold Dobner (7 out of 8 patents)

8. Herbert Wenz (7 out of 7 patents)

9. Kurt Bolldorf (7 out of 8 patents)

10. Kurt Vollmar (7 out of 7 patents)

11. Gunther Mall (6 out of 9 patents)

12. Fritz Jehle (6 out of 7 patents)

13. Edgar Busch (6 out of 6 patents)

14. Heinrich Bungert (5 out of 5 patents)

15. Oskar Braun (5 out of 6 patents)

Core Competencies:

Thread Monitoring

Fabric Tensioning

Sewing Machine

Embroidery Hoops

Sewing Processes

Feed Devices

Plastic Welding

Workpiece Alignment

Differential Feed

Rotary Hook

Seam Application

Material Thickness Sensing

179 patents: Sort by Forward Citations

1. 6564733 - Device for monitoring the bobbin thread on double thread lockstitch sewing machines (2003-05-20),

2. 6527403 - Sewing machine with a light barrier (2003-03-04),

3. 5299518 - Lower feed dog lifting, lowering, and horizontal coupling (1994-04-05),

4. 5237941 - Embroidery hoop with an outer contour deviating from the circular shape (1993-08-24),

5. 5199365 - Sewing machine thread monitoring system (1993-04-06),

6. 5129171 - Inflatable or twistable tubes for embroidery hoop fabric tensioning (1992-07-14),

7. 5124606 - Dual rotor with continuous/positioning reverse controls (1992-06-23),

8. 5113774 - Thread cutting device on a sewing machine (1992-05-19),

9. 5113324 - Sewing machine with a lamp (1992-05-12),

10. 5105751 - Process for carrying out a sewing operation with a sewing machine with (1992-04-21),

11. 5103749 - Process and sewing machine for sewing together layers of fabric (1992-04-14),

12. 5095834 - Sewing machine with swingable stitch forming unit (1992-03-17),

13. 5091038 - Plastic welding machine for producing weld seams (1992-02-25),

14. 5078068 - Process and apparatus for preparing a seam (1992-01-07),

15. 5036780 - Feed device for a sewing machine (1991-08-06),

Company Overview

Pfaff Industriemaschinen GmbH, based in Kaiserslautern, Germany, specializes in advanced sewing machine technology. The company focuses on developing innovative solutions that enhance sewing processes, including thread monitoring, fabric tensioning, and workpiece alignment. Pfaff is recognized for its expertise in creating high-quality sewing machines and embroidery hoops, as well as feed devices and plastic welding technologies, catering to a diverse range of industrial applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

179 Patents

#2 in Kaiserslautern

#339 in Germany

#4,668 in the World

Kaiserslautern, Germany

Pfaff Industriemaschinen Gmbh

Forward Citations = 1,133

121 inventors:

Erich Willenbacher (33 out of 35 patents)

Walter Hager (16 out of 17 patents)

Ernst Albrecht (11 out of 11 patents)

4. Albert Dusch (11 out of 11 patents)

5. Kurt Klundt (9 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pfaff Industriemaschinen Gmbh. Retrieved from https://idiyas.com/company/pfaff-industriemaschinen

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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