Trademarks = 1

Forward Citations = 27

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5 inventors (with patents filed for the assignee):

Britt R Calloway (10 out of 23 patents)

Barry Isringhausen (10 out of 10 patents)

Jonathan Dip (9 out of 9 patents)

4. Andrew Nitchie (2 out of 2 patents)

5. Thomas Dwyer (1 out of 2 patents)

10 patents: Sort by Forward Citations

1. 12275284 - Rail gear assembly (2025-04-14),

2. D1004901 - Lifting apparatus (2023-11-14),

3. 11530117 - Tank car lifting apparatus (2022-12-20),

4. D968745 - Lifting arm (2022-11-01),

5. D967592 - Lifting arm (2022-10-18),

6. 11325814 - Tank car lifting apparatus (2022-05-10),

7. D931342 - Lifting arm (2021-09-21),

8. D930052 - Lifting arm (2021-09-07),

9. 10577226 - Tank car lifting apparatus (2020-03-03),

10. 10150651 - Tank car lifting apparatus (2018-12-11),

Company Overview

Cranemasters, Inc. is a specialized provider of crane and rigging solutions, focusing on the development and manufacturing of advanced lifting equipment and services. The company is dedicated to enhancing safety and efficiency in heavy lifting operations across various industries, including construction, manufacturing, and logistics. With a strong emphasis on innovation, Cranemasters leverages cutting-edge technology to deliver tailored solutions that meet the unique challenges of its clients in North Chesterfield, VA, and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

10 Patents

#2 in North Chesterfield, VA

#528 in Virginia

#29,839 in US

#55,986 in the World

North Chesterfield, VA, United States of America

Cranemasters, Inc.

Forward Citations = 27

5 inventors:

Britt R Calloway (10 out of 23 patents)

Barry Isringhausen (10 out of 10 patents)

Jonathan Dip (9 out of 9 patents)

4. Andrew Nitchie (2 out of 2 patents)

5. Thomas Dwyer (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cranemasters, Inc.. Retrieved from https://idiyas.com/company/cranemasters

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]