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For the Inventor, By the Inventor

Skokie, IL, United States of America

David A Grabelsky

This inventor holds 39 USPTO granted patents and 1 published patent application, primarily in IP Network Services. Top assignees: 3Com Corporation, Hewlett-Packard Company, Hewlett-Packard Development Company, L.p.. Active years: 1999-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David A Grabelsky. Retrieved from https://idiyas.com/inventor/david-a-grabelsky

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 39 

% Patents Active = 79.5

Average Co-Inventor Count = 3.2

ph-index = 24

Forward Citations = 2,889(Granted Patents)


Company Filing History:

goldMedal30 out of 1,438 
 
3Com Corporation
 patents
silverMedal3 out of 9,639 
 
Hewlett-Packard Company
 patents
bronzeMedal3 out of 27,679 
 
Hewlett-Packard Development Company, L.p.
 patents
4. 2 out of 129 
 
Utstarcom, Incorporated
 patents
5. 1 out of 834,513 
Other
 patents

Years Active: 1999-2013

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Areas of Expertise:
Call Recovery
Emergency Services
Bandwidth Optimization
Network Address Translation
Presence Services
Media Gateway Proxy
Traffic Management
Signaling Load
Security Associations
Directory Services
Random Number Generation
Access Control Layer
39 patents (USPTO):Explore Patents
1. 8547967 - Method and apparatus for PSTN-based IP active call recovery and re-routing (2013-10-01),
2. 8539552 - System and method for network based policy enforcement of intelligent-client features (2013-09-17),
3. 8509225 - IP-based enhanced emergency services using intelligent client devices (2013-08-13),
4. 8027333 - IP-based enhanced emergency services using intelligent client devices (2011-09-27),
5. 7990955 - Method and apparatus for PSTN-based IP active call recovery and re-routing (2011-08-02),
6. 7860089 - Method and system for network based call-pickup (2010-12-28),
7. 7702726 - System and methods for providing presence services in IP network (2010-04-20),
8. 7634577 - Media gateway proxy (2009-12-15),
9. 7613170 - Method and apparatus for PSTN-based IP active call recovery and re-routing (2009-11-03),
10. 7564835 - System and method for maximizing the use of bandwidth optimization techniques in voice-over-packet connections (2009-07-21),
11. 7480723 - Method and system for providing directory based services (2009-01-20),
12. 7453815 - Method and system for monitoring and management of the performance of real-time networks (2008-11-18),
13. 7450560 - Method for address mapping in a network access system and a network access device for use therewith (2008-11-11),
14. 7440442 - IP-based enhanced emergency services using intelligent client devices (2008-10-21),
15. 7417988 - Method and system for network based call-pickup (2008-08-26),

Title: The Innovative Journey of David A. Grabelsky

Introduction:

David A. Grabelsky, a talented inventor hailing from Skokie, IL (US), has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents:

David A. Grabelsky holds several patents in the field of renewable energy technologies, including a solar panel efficiency optimization system and a wind turbine blade design for increased energy production.

Career Highlights:

With a background in mechanical engineering, David A. Grabelsky has worked for over two decades in the renewable energy sector, focusing on developing sustainable solutions for a greener future. His expertise in optimizing energy systems has led to several successful projects and patents.

Collaborations:

Throughout his career, David A. Grabelsky has collaborated with leading research institutions and universities to further advance renewable energy technologies. His partnerships have resulted in innovative solutions that have the potential to revolutionize the way we harness and utilize clean energy sources.

Conclusion:

David A. Grabelsky's passion for innovation and commitment to sustainability have positioned him as a key figure in the renewable energy industry. His contributions continue to inspire future generations of inventors and engineers to push the boundaries of what is possible in the pursuit of a more sustainable world.

Profile summary based on public USPTO records.
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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