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For the Inventor, By the Inventor

Siegsdorf, Germany

Lang Apparatebau Gmbh


USPTO Granted Patents = 12

Forward Citations = 234

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18 inventors (with patents filed for the assignee):

goldMedal Robert Scheurl (2 out of 5 patents)

silverMedal Richard Haslberger (2 out of 2 patents)

bronzeMedal Hans-Erwin Strasser (2 out of 4 patents)

4.  Kay Boedecker (2 out of 2 patents)

5.  Herbert Hunklinger (1 out of 3 patents)

6.  Albert Haberlander (1 out of 3 patents)

7.  Klaus Rutz (1 out of 6 patents)

8.  Josef Selbertinger (1 out of 2 patents)

9.  Bernhard Hantmann (1 out of 1 patent)

10.  Joachim Klein (1 out of 2 patents)

11.  Walter Eichner (1 out of 2 patents)

12.  Harry Weinert (1 out of 1 patent)

13.  Johann Kern (1 out of 1 patent)

14.  Hans Kern (1 out of 8 patents)

15.  G/u/ Nter Saalmann (1 out of 1 patent)


12 patents:

1. 6121739 - Dosing pump and method for enhancing dosing precision (2000-09-19),
2. 5871566 - Vented metering pump (1999-02-16),
3. 5758761 - Installation and a process for lubricating, cleaning and/or disinfecting (1998-06-02),
4. 5588809 - Metering pump with a vent valve (1996-12-31),
5. 5318078 - Process for bottling beverages (1994-06-07),
6. 4735228 - Device for dispersing solid detergents as aqueous suspensions or (1988-04-05),
7. 4655690 - Bellows pump having adjustable stop cam for varying the stroke (1987-04-07),
8. 4518006 - Backflow-preventing valve (1985-05-21),
9. 4486910 - Metering method for supplying detergent concentrate (1984-12-11),
10. 4463582 - Apparatus for supplying detergent concentrate (1984-08-07),
11. 4403738 - Device for spraying aqueous mixtures (1983-09-13),
12. 4256440 - Liquid dosing apparatus (1981-03-17),
Company Overview
Lang Apparatebau GmbH, based in Siegsdorf, Germany, specializes in the development and manufacturing of high-precision machinery and equipment. The company focuses on innovative solutions for various industries, including automotive, aerospace, and medical technology. With a commitment to quality and precision engineering, Lang is recognized for its advanced tooling systems and automation technologies, catering to the needs of clients seeking efficiency and reliability in their production processes.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#3 in Siegsdorf

#3,299 in Germany

#48,163 in the World

Siegsdorf, DE
Siegsdorf, Germany

Lang Apparatebau Gmbh

Forward Citations = 234

18 inventors:

goldMedal Robert Scheurl (2 out of 5 patents)

silverMedal Richard Haslberger (2 out of 2 patents)

bronzeMedal Hans-Erwin Strasser (2 out of 4 patents)

4.  Kay Boedecker (2 out of 2 patents)

5.  Herbert Hunklinger (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lang Apparatebau Gmbh. Retrieved from https://idiyas.com/company/lang-apparatebau

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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