Robert F Penfield

This inventor holds 60 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 11 EPO patents, primarily in Network Routing Protocols (CPC class H04L). Top assignees: 128 Technology, Inc., Acme Packet, Inc., Priority Call Management, Inc.. Active years: 1996-2025.

USPTO Granted Patents = 60 (Patent Applications = 4)

% Patents Active = 98.3

CIPO Patents = 1

EPO Patents = 11 (Patent Applications = 10)

Average Co-Inventor Count = 4.2

ph-index = 23

Forward Citations = 1,974(Granted Patents)

Forward Citations (Not Self Cited) = 1,790(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Maynard, MA (US) (1996 - 2003)
Concord, MA (US) (2002 - 2024)

Company Filing History:

Priority Call Management, Inc.

patents

4. 2 out of 27

Boston Technology, Inc.

Years Active: 1996-2025

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Areas of Expertise:

Routing

Multicast

Network Address Translation

Session Border Controllers

Real-Time Transport Protocol

Packet Flow Control

Load Balancing

Encryption

Topology Exchange

Flow Quality Statistics

Service Path Routing

Network Monitoring

60 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12231327 - Reverse forwarding information base enforcement (2025-02-18),

2. 12184533 - Routing using segment-based metrics (2024-12-31),

3. 12081432 - Service and topology exchange protocol (2024-09-03),

4. 12040968 - Flow modification including shared context (2024-07-16),

5. 12021925 - Network neighborhoods for establishing communication relationships between communication interfaces in an administrative domain (2024-06-25),

6. 11784907 - Routing using segment-based metrics (2023-10-10),

7. 11750508 - Source-based routing (2023-09-05),

8. 11722405 - Reverse forwarding information base enforcement (2023-08-08),

9. 11695687 - Distribution of multicast information in a routing system (2023-07-04),

10. 11652739 - Service related routing method and apparatus (2023-05-16),

11. 11503116 - Network neighborhoods for establishing communication relationships between communication interfaces in an administrative domain (2022-11-15),

12. 11451464 - Central authority for service and topology exchange (2022-09-20),

13. 11329912 - Source-based routing (2022-05-10),

14. 11165863 - Network neighborhoods for establishing communication relationships between communication interfaces in an administrative domain (2021-11-02),

15. 11153202 - Service and topology exchange protocol (2021-10-19),

Title: The Inventor Profile of Robert F Penfield

Introduction: Robert F Penfield is a distinguished inventor based in Maynard, Massachusetts, known for his groundbreaking contributions to various fields.

Latest Patents: Robert F Penfield holds several patents in the areas of technology and engineering, showcasing his innovative mindset and problem-solving abilities.

Career Highlights: With a career spanning over two decades, Robert F Penfield has worked on numerous projects that have revolutionized industries and improved existing technologies.

Collaborations: Throughout his career, Robert F Penfield has collaborated with leading companies, research institutions, and universities to bring his inventions to life and make a lasting impact on society.

Conclusion: Robert F Penfield's passion for innovation and his dedication to pushing the boundaries of what is possible make him a true pioneer in the world of inventions.