This inventor holds 12 USPTO granted patents and 1 published patent application. Top assignees: First American Financial Corporation, First American Title Insurance Company. Active years: 2013-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Moreno Valley, CA (US) (2013 - 2019)
- Santa Ana, CA (US) (2020)
- Corona, CA (US) (2020 - 2023)
Company Filing History:

Years Active: 2013-2025
Title: David Harry Blackman: Innovator in Distributed Ledger Technology and Title Products
Introduction
David Harry Blackman is a notable inventor based in Corona, California. He has made significant contributions to the fields of distributed ledger technology and title products, holding a total of 12 patents. His innovative work has the potential to transform how documents are managed and verified in various industries.
Latest Patents
Among his latest patents is a groundbreaking invention titled "Distributed ledger systems and methods for importing, accessing, verifying, and comparing documents." This patent outlines a method that involves retrieving documents from a system of record, uploading them to an off-chain system, and utilizing a distributed ledger network for secure storage and verification. Another notable patent is the "Apparatus and method for generating title products," which provides a device that initiates searches for title products related to properties, ensuring compliance with title insurance underwriting criteria.
Career Highlights
David has worked with prominent companies such as First American Financial Corporation and First American Title Insurance Company. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in the industry.
Collaborations
Throughout his career, David has collaborated with talented individuals, including David Alexander Brown and Terry A. Ehrhard. These partnerships have fostered a creative environment that has led to the development of impactful inventions.
Conclusion
David Harry Blackman is a distinguished inventor whose work in distributed ledger technology and title products showcases his innovative spirit. His contributions continue to influence the industry and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile