Forward Citations = 122

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5 inventors (with patents filed for the assignee):

George Benda (4 out of 5 patents)

Patricia Turner (2 out of 2 patents)

Clifford H Kraft (1 out of 20 patents)

4. John E Groetsema (1 out of 1 patent)

5. Michael Fleck (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6685891 - Apparatus and method for purifying air (2004-02-03),

2. 6289288 - Method of determining measured gas data with remote sensors (2001-09-11),

3. 6019535 - Felt-tip pen cover with eraser (2000-02-01),

4. 5871294 - Felt tip pen cover with eraser (1999-02-16),

5. 5798945 - Apparatus for building environmental reporting and control (1998-08-25),

6. 5564065 - Carbon monoxide air filter (1996-10-08),

7. 5553006 - Method and apparatus for building environmental compliance (1996-09-03),

Chelsea Group Ltd. is a leading international conglomerate with diversified business interests in real estate, hospitality, and financial services. With a strong focus on innovation and sustainability, Chelsea Group aims to deliver exceptional value to its customers and stakeholders worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

7 Patents

#22 in Itasca, IL

#1,836 in Illinois

#38,861 in US

Itasca, IL, United States of America

Chelsea Group Ltd.