logo

For the Inventor, By the Inventor

Naperville, IL, United States of America

Carol Shifrin Gruchala

This inventor holds 61 USPTO granted patents, primarily in Telecommunications Technology (CPC class H04M). Top assignees: At&t Intellectual Property I, LP, Sbc Properties, L.p., At&t Knowledge Ventures, LP. Active years: 2001-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Carol Shifrin Gruchala. Retrieved from https://idiyas.com/inventor/carol-shifrin-gruchala

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

USPTO Granted Patents = 61

% Patents Active = 18.0

Average Co-Inventor Count = 3.7

ph-index = 13

Forward Citations = 746(Granted Patents)

Forward Citations (Not Self Cited) = 724(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal32 out of 16,781 
 
At&t Intellectual Property I, LP
 patents
silverMedal11 out of 205 
 
Sbc Properties, L.p.
 patents
bronzeMedal5 out of 75 
 
At&t Knowledge Ventures, LP
 patents
4. 4 out of 159 
 
Ameritech Corporation
 patents
5. 4 out of 125 
 
Sbc Knowledge Ventures, L.p.
 patents
6. 3 out of 26 
 
Ameritech Services, Inc.
 patents
7. 2 out of 12 
 
Sbc Services, Inc.
 patents
8. 1 out of 13 
 
At&t Services, Inc.
 patents
9. 1 out of 1 
 
At&t Teleholdings, Inc.
 patent
10. 1 out of 1 
 
Sbc Operations, Inc.
 patent
11. 1 out of 169 
 
Sbc Technology Resources, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2001-2020

Loading Chart...
Areas of Expertise:
Caller Identification
Audio Transmission
Video Playback
Call Management
Telecommunications
Network Processing
Data Communication
Call Control
Telephony Services
ISDN Interface
Abbreviated Dialing
GPS Systems
61 patents (USPTO):Explore Patents
1. 10650862 - Method and device for transmitting audio and video for playback (2020-05-12),
2. 9787828 - Party information for data-capable communication device (2017-10-10),
3. 9549063 - Party information for data-capable communication device (2017-01-17),
4. 9344557 - Party information for data-capable communication device (2016-05-17),
5. 9294628 - Method and apparatus for processing network origination calls in a hybrid network (2016-03-22),
6. 9237176 - Method and device for transmitting audio and video for playback (2016-01-12),
7. 9088646 - Method and system for providing enhanced caller identification information including total call control for all received calls (2015-07-21),
8. 8744052 - System and method for detecting false caller ID (2014-06-03),
9. 8731370 - Method and device for transmitting audio and video for playback (2014-05-20),
10. 8718251 - Party information for data-capable communication device (2014-05-06),
11. 8670547 - Direct route ISDN primary route interface (2014-03-11),
12. 8670541 - Method and system for providing enhanced caller identification information including total call control for all received calls (2014-03-11),
13. 8503628 - Party information for data-capable communication device (2013-08-06),
14. 8363799 - Party information for data-capable communication device (2013-01-29),
15. 8155293 - System and method for restricting and monitoring telephone calls (2012-04-10),

Title: **Innovations and Contributions of Carol Shifrin Gruchala**

Introduction

Carol Shifrin Gruchala, based in Naperville, IL, is a distinguished inventor with an impressive portfolio comprising 61 patents. His contributions to the field of multimedia technology and communication have significantly impacted the way audio and video content is transmitted and managed.

Latest Patents

Among his latest innovations is a patent for a method and device for transmitting audio and video for playback. This system enhances multimedia streams by synchronizing video and audio based on detected actions during presentations, allowing for a more cohesive user experience. Another notable invention is a patent related to party information for data-capable communication devices. This technology allows mobile devices to query public databases to retrieve detailed information about parties engaged in communication, thereby enhancing caller identification and providing rich communication details.

Career Highlights

Carol has made significant strides in his career by working with prominent companies such as AT&T Intellectual Property and SBC Properties. His tenure in these institutions has not only bolstered his expertise but also allowed him to contribute to groundbreaking technological advancements.

Collaborations

Throughout his career, Carol has collaborated with talented professionals, including Dianna Inara Tiliks and Nancy Ann Book. Their teamwork has fostered innovation and led to the successful patenting of various technologies that continue to influence the industry.

Conclusion

Carol Shifrin Gruchala stands out as a prolific inventor whose patents reflect his dedication to advancing multimedia technology. His innovative spirit and collaborative efforts with esteemed professionals have paved the way for new communication possibilities, making a lasting impact on the field.

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]
Loading…