H & K Inc.

Calculating rank

USPTO Granted Patents = 6

Trademarks = 1

Forward Citations = 103

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6 inventors (with patents filed for the assignee):

Ulrich H Petri (5 out of 5 patents)

Friedrich Rademacher (5 out of 9 patents)

Siegmar Sindermann (4 out of 19 patents)

4. John T Osifchin (1 out of 1 patent)

5. Hans G Krohn (1 out of 1 patent)

6. Hans D Deubel (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5398485 - Bottle support mechanism for a capping machine (1995-03-21),

2. 5119853 - Apparatus for filling cans with a liquid (1992-06-09),

3. 5042536 - Can filling apparatus having a vent tube movable relative to a fill tube (1991-08-27),

4. 5040574 - Can filling apparatus having an improved gas venting mechanism (1991-08-20),

5. 4938261 - Apparatus for filling cans with a liquid (1990-07-03),

6. 4109446 - Apparatus for filling and crowning bottles (1978-08-29),

Company Overview

H & K Inc. is a leading provider of innovative solutions in the field of technology. With over two decades of experience, we specialize in developing cutting-edge software products and services for a wide range of industries. Our team of skilled professionals is dedicated to delivering high-quality solutions that meet the unique needs of our clients. Visit our website to learn more about how H & K Inc. can help your business thrive in today's digital world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#45 in Waukesha, WI

#971 in Wisconsin

#45,027 in US

Waukesha, WI, United States of America

H & K Inc.

Forward Citations = 103

6 inventors:

Ulrich H Petri (5 out of 5 patents)

Friedrich Rademacher (5 out of 9 patents)

Siegmar Sindermann (4 out of 19 patents)

4. John T Osifchin (1 out of 1 patent)

5. Hans G Krohn (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: H & K Inc.. Retrieved from https://idiyas.com/company/h-and-k

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]