Christopher Leonard

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Philomath, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Applying mold chase structure to end portion of fluid ejection die
- Patent number 11,827,021
- Issue date Nov 28, 2023
- Hewlett-Packard Development Company, L.P.
- Chien-Hua Chen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fluid ejection device with a carrier having a slot
- Patent number 11,390,081
- Issue date Jul 19, 2022
- Hewlett-Packard Development Company, L.P.
- Chien-Hua Chen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fuse chambers on a substrate
- Patent number 8,704,333
- Issue date Apr 22, 2014
- Hewlett-Packard Development Company, L.P.
- Andrew Phillips
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
APPLYING MOLD CHASE STRUCTURE TO END PORTION OF FLUID EJECTION DIE
- Publication number 20220009231
- Publication date Jan 13, 2022
- Hewlett-Packard Development Company, L.P.
- Chien-Hua CHEN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
FLUID EJECTION DEVICE WITH A CARRIER HAVING A SLOT
- Publication number 20210229438
- Publication date Jul 29, 2021
- Hewlett-Packard Development Company, L.P.
- Chien-Hua CHEN
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
FUSE CHAMBERS ON A SUBSTRATE
- Publication number 20100283120
- Publication date Nov 11, 2010
- Andrew Phillips
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INKJET-PRINTING DEVICE PRINTHEAD DIE HAVING EDGE PROTECTION LAYER F...
- Publication number 20100231655
- Publication date Sep 16, 2010
- HEWLETT-PACKARD DEVELOPEMENT COMPANY, LP
- Bradley D. Chung
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Sealing openings in micro-electromechanical systems
- Publication number 20050101045
- Publication date May 12, 2005
- Jennifer Shih
- B81 - MICRO-STRUCTURAL TECHNOLOGY