Inventor

DOUGLAS K. HERRMANN

Inventor

US

Overview

2021–2026

Patent span

Performing operations

Primary field (CPC B)

Patents· 73 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary

B41JTypewriters19%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering10%

B22FWorking metallic powder8%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

B22DCasting of metals5%

B41FPrinting machines or presses4%

B29CShaping or joining of plastics4%

G06FElectric digital data processing3%

G06KGraphical data reading3%

PatentTitleYear

12,589,599Diagnostic sheet and detection method for inkjet prints using paper precoat solutions2026 12,583,236Inkjet printer with image dryer for improving ink image quality in an aqueous inkjet printer2026 12,552,181Inkjet printer with image dryer for improving ink image quality in an aqueous inkjet printer2026 12,502,707Method of operating a metal drop ejecting three-dimensional (3D) object printer to form metal support structures2025 12,472,747System and method for reducing plastic waste in inkjet printers2025 12,447,745Method for preserving ink viscosity in inkjets in an inkjet printer during printing2025 12,434,476System and method for printing ink images in accordance with sustainability goals2025 12,398,014Multidirectionally stepped auto-collator system and method2025 12,311,683System and method for operating an inkjet printer to attenuate ink drying in the inkjets during printing operations2025 12,194,756System and method for operating an inkjet printer to attenuate ink drying in the inkjets during printing operations2025 12,182,491Sign bundle organization using areas2024 12,157,321System and method for improving ink image quality in an inkjet printer2024 12,151,489System and method for cooling paper within a printer assembly2024 12,116,156Automated retail edge marker accumulation, collation and transfer system2024 12,109,656Metal drop ejecting three-dimensional (3D) object printer and method of operation for forming metal support structures2024 12,091,274Removable raised tray system for small set production2024 12,086,403Scrolling protective film system for touchscreen2024 12,070,945System and method for varying ejected ink drop volumes to improve ink image quality in an inkjet printer2024 12,053,982System and method for selecting inkjets to improve ink image quality in an inkjet printer2024 11,958,297Graininess mitigation using separate printing passes for distortable colors2024 11,931,799Metal drop ejecting three-dimensional (3D) object printer and method of operation for forming metal support structures2024 11,934,712System and method for automatically diagnosing media handling defects in a printing device2024 11,912,045System and method for printing color images on substrates in an inkjet printer2024 11,890,673Dross extraction system and methods thereof2024 11,878,349Metal drop ejecting three-dimensional (3D) object printer and method of operation for forming metal support structures2024 11,853,629System and method for feed forward control of printhead temperature in an inkjet printer to improve ink image quality2023 11,850,842Devices, systems, and methods for supplying makeup air through openings in carrier plates of printing systems via air guide structures extending into the openings2023 11,845,227Micro-welding using a three-dimensional printer2023 11,787,211Sheet cooling system for a printing device2023 11,760,112Airflow control in a printing system, and related devices, systems, and methods2023 11,738,574Airflow control via airflow zones in vacuum plenum of a printing system, and related devices, systems, and methods2023 11,738,959Sheet registration using rotatable frame2023 11,731,199Metal drop ejecting three-dimensional (3D) object printer with double thermal layer insulation for the build platform translational mechanism2023 11,718,107Airflow control in a printing system via media registration, and related devices, systems, and methods2023 11,712,897System and method for preserving ink viscosity in inkjets in an inkjet printer during printing2023 11,697,296Devices, systems, and methods for supplying makeup air through openings in carrier plates of printing system2023 11,685,150Method and apparatus for in-situ digital image forming fountain solution thickness measurement2023 11,684,972Metal drop ejecting three-dimensional (3D) object printer with a thermally insulated build platform translational mechanism2023 11,673,393System and method for preserving ink viscosity in inkjets in an inkjet printer during printing2023 11,667,136Airflow control via passively-regulated vacuum plenum of a printing system, and related devices, systems, and methods2023 11,648,784Devices, systems, and methods for supplying makeup air through openings in carrier plates of printing system via an air guide structure2023 11,642,855System and method for manufacturing microneedle assemblies with medicaments2023 11,639,067Active airflow control device for vacuum paper transport2023 11,613,116System and method for printing color images on substrates in an inkjet printer2023 11,584,607Dynamic graduated media collation system2023 11,584,116Dual pressure sensitive adhesive sheet for instore signage2023 11,577,503Fountain solution thickness control system in a digital printing device using a drag force sensor2023 11,565,516Fountain solution thickness measurement using phase shifted light interference in a digital lithography printing system2023 11,547,771Self-sanitizing touchscreen cover2023 11,528,386Printing color separation and fiducials on substrates in an inkjet printer to register and print remaning color separations2022 11,504,766Micro-welding using a three-dimensional printer2022 11,499,873System and method for determining a temperature differential between portions of an object printed by a 3D printer2022 11,493,328Fountain solution thickness measurement using an optical grating surface in a digital lithography printing system2022 11,485,089Method and system for operating a modular heater to improve layer bonding in a metal drop ejecting three-dimensional (3D) object printer2022 11,478,991System and method for determining a temperature of an object2022 11,479,034Fountain solution thickness measurement using optical properties of solidified fountain solution in a lithography printing system2022 11,475,258Time and printed image history dependent TRC2022 11,467,785Adjusting printer maintenance operations2022 11,447,359High speed adhesive collation system for retail signage2022 11,401,065Method for ease in identifying particular bundles of printed cards while packing and unpacking the bundles2022 11,376,880Variable printed UV curable adhesive retail signs2022 11,370,216Fountain solution film thickness measurement system using Fresnel lens optical properties2022 11,373,074Height adjustable transport module with integrated integrity for in-line printer systems2022 11,358,215Three-dimensional printing system and method of three-dimensional printing2022 11,325,799Interdigitated vacuum roll system for a cut sheet printer dryer transport2022 11,318,760Media transport belt that attenuates thermal artifacts in images on substrates printed by aqueous ink printers2022 11,307,099Object printed by a 3D printer and a method for determining the temperature of the object2022 11,260,449Three-dimensional printing system and method of three-dimensional printing2022 11,247,504Distributed parallel processing system for make-on-demand book manufacturing2022 11,225,066In-line detection and correction of underperforming light emitting diodes in a curing station of a three dimensional object printer2022 11,198,285Active transparent display for dynamic masking during UV curing in a three dimensional object printer2021 11,161,355Media transport through a dryer that attenuates thermal artifacts in images on substrates printed by aqueous ink printers2021 11,143,597Water ingress indicator for electronic devices2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to XEROX CORP (68)· patent assignee history

2021–2026Based in US· patent location history

2022Patents assigned to CASE HANS FRANKLIN (1)· patent assignee history

2022Patents assigned to HERRMANN DOUGLAS K (1)· patent assignee history

2023–2025Patents assigned to ADDITIVE TECH LLC (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	68	2021–2026
ADDITIVE TECH LLC	5	2023–2025
CASE HANS FRANKLIN	1	2022
HERRMANN DOUGLAS Kself	1	2022

Locations

Location	Patents	Span
US	73	2021–2026