DL

David Ladd

BS Bechtel Energy Technologies & Solutions: 5 patents #1 of 22Top 5%
BS Bechtel Hydrocarbon Technology Solutions: 4 patents #4 of 26Top 20%
OP Opcom: 3 patents #3 of 5Top 60%
VM Vmx: 3 patents #4 of 16Top 25%
AT AT&T: 1 patents #10,626 of 18,772Top 60%
OC Octel Communications: 1 patents #24 of 40Top 60%
Overall (All Time): #167,013 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
12221360 Low energy ejector desalination system Jorge T. Aguinaldo, Joseph P. Kanzleiter, Saurabh Tonapi, Baki E. Goktepe, Mukesh K. Shah 2025-02-11
12078394 Systems and methods for regenerative ejector-based cooling cycles 2024-09-03
11821668 Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages Eckhard Achim Groll, Riley Barta, Davide Ziviani 2023-11-21
11725858 Systems and methods for regenerative ejector-based cooling cycles 2023-08-15
11561027 Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages Eckhard Achim Groll, Riley Barta, Davide Ziviani 2023-01-24
10533793 Systems and methods for multi-stage refrigeration 2020-01-14
10514201 Systems and methods for multi-stage refrigeration 2019-12-24
10514202 Systems and methods for multi-stage refrigeration 2019-12-24
10465983 Systems and methods for multi-stage refrigeration 2019-11-05
D789464 Enhancement unit for upper body conditioning for a stationary bicycle Holly Ladd 2017-06-13
D789465 Stationary bicycle attachment Holly Ladd 2017-06-13
8562495 Upper body exercise apparatus for stationary bike Holly Ladd 2013-10-22
7774962 Removable and reusable tags for identifying bottles, cans, and the like 2010-08-17
6685069 Shoulder protection device for use when carrying a ladder 2004-02-03
6097791 Voice-messaging system with non-user outcalling and auto-provisioning capabilities Henry C. A. Hyde-Thomson, Reid Thomas 2000-08-01
5991370 Voice messaging system and method providing message delivery verification 1999-11-23
5517556 Call processing system with facsimile processing Gregory E. Pounds, Tim J. Kusumi, Robert H. Sinn, Eric K. Wood 1996-05-14
5355406 Integrated application controlled call processing and messaging system Arnold Chencinski, Michael A. Liberty, Robert H. Sinn 1994-10-11
5325422 PBX telephone call control system 1994-06-28
5117451 Interface to and operation of a voice messaging system Gregory E. Pounds, Tim J. Kusumi, Peter A. Bonee, Robert R. Shepard 1992-05-26
4926462 Interface to and operation of a voice messaging system Gregory E. Pounds, Tim J. Kusumi, Peter A. Bonee, Robert R. Shepard 1990-05-15
4792967 PBX DID and E and M tie trunk integration adapter and method Stevan Smith 1988-12-20
4783796 PBX telephone call control system 1988-11-08
4747124 PBX telephone call control system 1988-05-24