Company Filing History:

9 out of 2,439

Unisys Corporation

patents

5 out of 5,162

Marvell International Limited

patents

Years Active: 1990-2012

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8181100 - Memory fault injection (2012-05-15),

2. 7870346 - Servo controller interface module for embedded disk controllers (2011-01-11),

3. 7870320 - Interrupt controller for prioritizing interrupt requests in an embedded disk controller (2011-01-11),

4. 7457903 - Interrupt controller for processing fast and regular interrupts (2008-11-25),

5. 7080188 - Method and system for embedded disk controllers (2006-07-18),

6. 5970253 - Priority logic for selecting and stacking data (1999-10-19),

7. 5822766 - Main memory interface for high speed data transfer (1998-10-13),

8. 5701313 - Method and apparatus for removing soft errors from a memory (1997-12-23),

9. 5666371 - Method and apparatus for detecting errors in a system that employs (1997-09-09),

10. 5450426 - Continuous error detection using duplicate core memory cells (1995-09-12),

11. 5434871 - Continuous embedded parity checking for error detection in memory (1995-07-18),

12. 4953131 - Unconditional clock and automatic refresh logic (1990-08-28),

13. 4926426 - Error correction check during write cycles (1990-05-15),

14. 4918696 - Bank initiate error detection (1990-04-17),

Title: The Innovative Mind of David M. Purdham

Introduction: David M. Purdham is a prolific inventor based in Brooklyn Park, Minnesota, holding an impressive portfolio of 14 patents. His innovative contributions primarily focus on memory fault injection techniques and interrupt controllers, demonstrating a strong expertise in embedded systems and hardware engineering.

Latest Patents: Among his latest patents, one stands out for its complexity and applicability in modern technology: "Memory Fault Injection." This invention encompasses techniques, apparatus, and systems designed to inject memory faults through a systematic process involving first and second data, generating error detection information, and managing memory conditions effectively. Another notable patent is the "Interrupt Controller for Prioritizing Interrupt Requests in an Embedded Disk Controller." This invention is geared towards enhancing the efficiency of disk controllers by utilizing an interrupt scanner module that prioritizes interrupt requests based on scanned vector values, ultimately improving the handling of interrupts within embedded systems.

Career Highlights: David has made significant strides in his career, having worked for reputable companies such as Unisys Corporation and Marvell International Limited. His experience at these companies not only honed his technical skills but also allowed him to contribute to various advanced projects that have impacted the tech industry.

Collaborations: Throughout his career, David has collaborated with esteemed colleagues, including Larry L. Byers and James H. Scheuneman. Their teamwork has played a crucial role in the development of innovative solutions and has fostered an environment of creativity and engineering excellence.

Conclusion: David M. Purdham's innovative spirit and contributions to technology through his patents reflect his dedication to advancing the field of embedded systems. His work continues to influence and inspire future innovations, solidifying his status as a prominent inventor in the industry.

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For the Inventor, By the Inventor

David M Purdham

Location History:

Company Filing History:

Years Active: 1990-2012