logo

For the Inventor, By the Inventor

Oberkirch, Germany

Papierfabrik August Koehler Ag

Calculating rank
USPTO Granted Patents = 9



Trademarks = 3

Forward Citations = 32

Loading Chart...
Loading Chart...

16 inventors (with patents filed for the assignee):

goldMedal Gunter Pietsch (3 out of 4 patents)

silverMedal Karl-Heinz Schrader (3 out of 4 patents)

bronzeMedal Claus Hartmann (2 out of 3 patents)

4.  Gunther Pietsch (2 out of 2 patents)

5.  Michael Horn (1 out of 13 patents)

6.  Brian R Einsla (1 out of 11 patents)

7.  Lan Deng (1 out of 8 patents)

8.  Michael Boschert (1 out of 2 patents)

9.  Chao-Jen Chung (1 out of 12 patents)

10.  Juergen Keske (1 out of 1 patent)

11.  Douglas Rudnick (1 out of 1 patent)

12.  Hans-Thomas Armbruster (1 out of 2 patents)

13.  Harald Kraft (1 out of 2 patents)

14.  Wendelin Benz (1 out of 2 patents)

15.  Georg Streif (1 out of 1 patent)


9 patents:

1. 9193208 - Recording material (2015-11-24),
2. 7892431 - Method and device for purification of effluent (2011-02-22),
3. 7833573 - Method for producing thermosensitive recording material and recording material produced according to said method (2010-11-16),
4. 7169335 - Process for encapsulating dissolved reactants of color-reaction systems, the capsules obtainable therefrom as well as their use in color-reaction papers (2007-01-30),
5. 5011634 - Microcapsules and microcapsule production process (1991-04-30),
6. 4965025 - Process for microencapsulating hydrophobic oils, the microcapsules (1990-10-23),
7. 4824823 - Microcapsules containing oils and soluble color reaction components, (1989-04-25),
8. 4748146 - Process for encapsulating dissolved reactants of color reaction systems, (1988-05-31),
9. 4684574 - Process for encapsulating dissolved reactants of color reaction system (1987-08-04),
Company Overview
Papierfabrik August Koehler Ag is a leading producer of specialty paper and board products. With a history dating back to 1907, the company is known for its high-quality, innovative paper solutions. Koehler utilizes sustainable manufacturing practices and is committed to environmental responsibility. Their diverse product range includes thermal paper, carbonless paper, decor paper, and packaging solutions.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#4 in Oberkirch

#4,075 in Germany

Oberkirch, DE
Oberkirch, Germany

Papierfabrik August Koehler Ag

Forward Citations = 32

16 inventors:

goldMedal Gunter Pietsch (3 out of 4 patents)

silverMedal Karl-Heinz Schrader (3 out of 4 patents)

bronzeMedal Claus Hartmann (2 out of 3 patents)

4.  Gunther Pietsch (2 out of 2 patents)

5.  Michael Horn (1 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Papierfabrik August Koehler Ag. Retrieved from https://idiyas.com/company/papierfabrik-august-koehler-ag

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]
Loading…