Forward Citations = 543

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7 inventors (with patents filed for the assignee):

Anthony J Bonanno (12 out of 12 patents)

Robert E Casparian (11 out of 11 patents)

Charles Greenfield (10 out of 10 patents)

4. Thomas C Holcombe (2 out of 15 patents)

5. Charles Greenfield, Deceased (1 out of 1 patent)

6. Charles T Rawlinson (1 out of 1 patent)

7. Theodore D Trowbridge (1 out of 5 patents)

16 patents: Sort by Forward Citations

1. 5518621 - Process for drying and solvent extraction of contaminated water-wet (1996-05-21),

2. 5256251 - Process for drying and solvent-extraction of solids and sludges (1993-10-26),

3. 5076895 - Process and apparatus for recovering clean water and solids from aqueous (1991-12-31),

4. 4857144 - Apparatus for improved top feed distribution for falling film evaporator (1989-08-15),

5. 4702798 - Process for recovering dry solids from aqueous solids mixtures (1987-10-27),

6. 4662990 - Apparatus for recovering dry solids from aqueous solids mixtures (1987-05-05),

7. 4608120 - Apparatus for removing light oil from solids (1986-08-26),

8. 4518458 - Process for removing light oil from solids (1985-05-21),

9. 4336101 - Process and apparatus for recovering clean water and solids from aqueous (1982-06-22),

10. 4289578 - Process and apparatus for recovering clean water and solids from aqueous (1981-09-15),

11. 4276115 - Process and apparatus for dehydrating waste solids concentrates (1981-06-30),

12. 4270974 - Process and apparatus for recovering clean water and solids from aqueous (1981-06-02),

13. 4013516 - Apparatus and process for the pyrolysis of waste solids concentrates (1977-03-22),

14. 4007094 - Process and apparatus for recovering clean water from aqueous wastes (1977-02-08),

15. 3950230 - Process and apparatus for recovering residual oil from solids dehydrated (1976-04-13),

Company Overview

Hanover Research Corporation is a strategic research and consulting firm based in East Hanover, New Jersey. The organization specializes in providing tailored research solutions across various sectors, including education, healthcare, and technology. Hanover Research focuses on delivering actionable insights and data-driven strategies to help clients enhance their decision-making processes and achieve their organizational goals. With a commitment to innovation, the firm leverages advanced methodologies to address complex challenges in a rapidly evolving landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

16 Patents

#7 in East Hanover, NJ

#755 in New Jersey

#19,922 in US

#37,831 in the World

East Hanover, NJ, United States of America

Hanover Research Corporation

Forward Citations = 543

7 inventors:

Anthony J Bonanno (12 out of 12 patents)

Robert E Casparian (11 out of 11 patents)

Charles Greenfield (10 out of 10 patents)

4. Thomas C Holcombe (2 out of 15 patents)

5. Charles Greenfield, Deceased (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hanover Research Corporation. Retrieved from https://idiyas.com/company/hanover-research

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]