For the Inventor, By the Inventor

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Cambridge, MA, United States of America

Block Engineering, LLC

USPTO Granted Patents = 30

% Expired Patents = 20.0

EPO Patents = 1

Trademarks = 1

Forward Citations = 683

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29 inventors (with patents filed for the assignee):

Tomas R Hirschfeld (8 out of 8 patents)

Petros Amestis Kotidis (7 out of 24 patents)

Erik R Deutsch (6 out of 17 patents)

4. Ninghui Zhu (5 out of 9 patents)

5. Dan Cavicchio (4 out of 4 patents)

6. David Reyes (3 out of 3 patents)

7. E Robert Schildkraut (3 out of 3 patents)

8. Jinhong Kim (3 out of 3 patents)

9. Arlan W Mantz (2 out of 4 patents)

10. David C Brown (2 out of 5 patents)

11. Reginald Tobias (2 out of 2 patents)

12. Hongke Ye (1 out of 4 patents)

13. Alexander Mazurenko (1 out of 1 patent)

14. Anish K Goyal (1 out of 1 patent)

15. Jeffrey S Socha (1 out of 12 patents)

Core Competencies:

QCL Spectroscopy

Gas Sensing

MEMS Interferometer

Fourier Transform

Optical Imaging

Chemical Analysis

Microorganism Detection

Fluorescence Spectrometry

Dye Tagged Reagents

Differential Cell Counting

Chromatography

Time-Dependent Analysis

30 patents: Sort by Forward Citations

1. 12339225 - QCL spectroscopy system and applications therefor (2025-06-24),

2. 10830697 - QCL spectroscopy system and applications therefor (2020-11-10),

3. 10031077 - QCL spectroscopy system and applications therefor (2018-07-24),

4. 9983126 - Quantum cascade laser (QCL) based gas sensing system and method (2018-05-29),

5. 9329085 - QCL spectroscopy system and applications therefor (2016-05-03),

6. 9151673 - MEMS michelson interferometer having reciprocating platform with a moving mirror and method of fabrication (2015-10-06),

7. 8780347 - QCL spectroscopy system and applications therefor (2014-07-15),

8. 8587787 - Miniature fourier transform spectrometer and method of operation (2013-11-19),

9. 8086266 - Cell phone based MEMS fourier transform infrared (FTIR) gas sensors (2011-12-27),

10. 7880890 - MEMS michelson interferometer and method of fabrication (2011-02-01),

11. 4355336 - Digitally controlled electro-optical imaging system (1982-10-19),

12. 4169137 - Antigen detecting reagents (1979-09-25),

13. 4166105 - Dye tagged reagent (1979-08-28),

14. 4146604 - Differential counting of leukocytes and other cells (1979-03-27),

15. 4138727 - System for analyzing time-dependent phenomena (1979-02-06),

Company Overview

Block Engineering, LLC, based in Cambridge, MA, specializes in advanced spectroscopic technologies, particularly in the field of chemical analysis and detection. The company focuses on developing innovative solutions for applications in environmental monitoring, industrial process control, and security. Leveraging expertise in laser-based systems, Block Engineering aims to enhance the capabilities of analytical instruments, providing precise and reliable data for various industries. Their commitment to research and development positions them at the forefront of spectroscopic advancements.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

30 Patents

#92 in Cambridge, MA

#671 in Massachusetts

#11,257 in US

#21,853 in the World

Cambridge, MA, United States of America

Block Engineering, LLC

Forward Citations = 683

29 inventors:

Tomas R Hirschfeld (8 out of 8 patents)

Petros Amestis Kotidis (7 out of 24 patents)

Erik R Deutsch (6 out of 17 patents)

4. Ninghui Zhu (5 out of 9 patents)

5. Dan Cavicchio (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Block Engineering, LLC. Retrieved from https://idiyas.com/company/block-engineering

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]

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