% Expired Patents = 100.0

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 277

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6 inventors (with patents filed for the assignee):

Harry E Nicodem (5 out of 11 patents)

Timothy Knecht (2 out of 3 patents)

Frank Jemela (2 out of 3 patents)

4. Mark James Ansier (2 out of 3 patents)

5. Thomas A Goebel (1 out of 2 patents)

6. J Steven Martin (1 out of 3 patents)

8 patents: Sort by Forward Citations

1. 7665819 - Method and apparatus for a printer cartridge tester (2010-02-23),

2. 7571865 - Wireless temperature control system (2009-08-11),

3. 7303249 - Method and apparatus for a printer cartridge tester (2007-12-04),

4. 7207667 - Apparatus and method for refurbishing used cartridges for ink jet type imaging devices (2007-04-24),

5. 7195344 - Apparatus and method for refurbishing used cartridges for ink jet type imaging devices (2007-03-27),

6. 7089973 - Apparatus for refilling inkjet cartridges and methods thereof (2006-08-15),

7. 7079970 - Printer tester (2006-07-18),

8. 7039340 - Universal drum cover for xerographic device cartridges (2006-05-02),

Tonerhead, Inc. is a leading provider of high-quality printer toner cartridges for a wide range of printer brands. With a focus on affordability and customer satisfaction, Tonerhead offers a variety of toner options to meet the needs of businesses and individuals. Visit our website to find the perfect toner cartridge for your printer.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

8 Patents

#7 in McHenry, IL

#1,696 in Illinois

#35,865 in US

McHenry, IL, United States of America

Tonerhead, Inc.

Forward Citations = 277

6 inventors:

Harry E Nicodem (5 out of 11 patents)

Timothy Knecht (2 out of 3 patents)

Frank Jemela (2 out of 3 patents)

4. Mark James Ansier (2 out of 3 patents)

5. Thomas A Goebel (1 out of 2 patents)

Please report any incorrect information to [email protected]

1 patent (CIPO):

Please report any incorrect information to [email protected]

1 patent (EPO):

Please report any incorrect information to [email protected]