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 patentsUS11048791B2Jun 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 patentsUS5575727ANov 19, 1996
Belt tensioning system and tensioner therefor
DAYCO PRODUCTS INC41 citations96
US5277667AJan 11, 1994
Belt tensioning system and method of making
DAYCO PRODUCTS INC38 citations96
US5342249AAug 30, 1994
Belt tensioning system and method of making
DAYCO PRODUCTS INC20 citations92
US5190502AMar 2, 1993
Belt tensioning system, belt tensioner therefor and methods of making the same
DAYCO PRODUCTS INC30 citations92
US5496221AMar 5, 1996
Belt tensioning system, belt tensioner therefor and methods of making the same
DAYCO PRODUCTS INC16 citations82
US5423723AJun 13, 1995
Belt tensioning system and belt tensioner therefor
DAYCO PRODUCTS INC12 citations82
US5575726ANov 19, 1996
Belt tensioner
DAYCO PRODUCTS INC9 citations74
US5453057ASep 26, 1995
Belt tensioner
DAYCO PRODUCTS INC11 citations74
US5405297AApr 11, 1995
Belt tensioning system, belt tensioner therefor and methods of making the same
DAYCO PRODUCTS INC7 citations74
US5334110AAug 2, 1994
Belt tensioning system, belt tensioning therefor and method of making the same
DAYCO PRODUCTS INC5 citations74
US5254048AOct 19, 1993
Belt tensioning system, belt tensioner therefor and methods of making the same
DAYCO PRODUCTS INC13 citations74
RICE HUSTON W
6 patentsUS8864277B2Oct 21, 2014
Authentication systems and methods
RICE HUSTON W42 citations93
US8057006B2Nov 15, 2011
Fluid ejection device
RICE HUSTON W2 citations62
US8870318B2Oct 28, 2014
System and method using ink usage adjustment values
RICE HUSTON W0 citations51
US8474938B2Jul 2, 2013
Replaceable printing component
RICE HUSTON W1 citations51
US10412235B2Sep 10, 2019
Identification bit memory cells in data storage chip
RICE HUSTON W0 citations41
US9162442B2Oct 20, 2015
Image forming system and methods thereof
RICE HUSTON W0 citations41
HEWLETT PACKARD DEVELOPMENT CO LP
5 patentsUS9738084B2Aug 22, 2017
Replaceable liquid supply having cut outs and latch
HEWLETT PACKARD DEVELOPMENT CO LP2 citations68
US9452614B2Sep 27, 2016
Continuous ink supply apparatus, systems and methods
HEWLETT PACKARD DEVELOPMENT CO LP2 citations63
US9639794B2May 2, 2017
Secure upgrade supplies and methods
HEWLETT PACKARD DEVELOPMENT CO LP0 citations52
US9707784B2Jul 18, 2017
Replaceable printer component
HEWLETT PACKARD DEVELOPMENT CO LP0 citations51
US9459577B2Oct 4, 2016
Updating a supported-supplies database of an image forming apparatus
HEWLETT PACKARD DEVELOPMENT CO LP0 citations43