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Inventor

NOVAK DAVID B

US41 patents
⚠️ This page may combine multiple inventors who share the name “NOVAK DAVID B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD DEVELOPMENT CO

15 patents
US11048791B2Jun 29, 2021

Digitally signed data

HEWLETT PACKARD DEVELOPMENT CO3 citations73
US8911069B1Dec 16, 2014

Ink cartridge source identification determination

HEWLETT PACKARD DEVELOPMENT CO4 citations73
US7735985B2Jun 15, 2010

Cartridge holder

HEWLETT PACKARD DEVELOPMENT CO2 citations63
US11783023B2Oct 10, 2023

Digitally signed data

HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11435960B2Sep 6, 2022

Print device functionalities

HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11364724B2Jun 21, 2022

Logic circuitry package

HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11407229B2Aug 9, 2022

Logic circuitry package

HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11323588B2May 3, 2022

Print material subscription plans

HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11038033B2Jun 15, 2021

Integrated circuits

HEWLETT PACKARD DEVELOPMENT CO0 citations60
US12403700B2Sep 2, 2025

Reprocessing of a replaceable supply component

HEWLETT PACKARD DEVELOPMENT CO0 citations55
US11919313B2Mar 5, 2024

Print device functionalities

HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10723140B2Jul 28, 2020

Decrementing a printing fluid-based estimate of a number of pages that can be printed according to different intervals

HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10389672B2Aug 20, 2019

Supply item messaging

HEWLETT PACKARD DEVELOPMENT CO0 citations51
US10112405B2Oct 30, 2018

Replaceable liquid supply having cut outs and latch

HEWLETT PACKARD DEVELOPMENT CO0 citations48
US12425231B2Sep 23, 2025

Logic circuitry

HEWLETT PACKARD DEVELOPMENT CO0 citations42

DAYCO PRODUCTS INC

11 patents

RICE HUSTON W

6 patents

HEWLETT PACKARD DEVELOPMENT CO LP

5 patents

OLSEN DAVID N

1 patent

TAY PEI SHAN

1 patent

NOVAK DAVID B

1 patent

PANSHIN STEPHEN D

1 patent