David R. Hall

Head Covering Device Providing Filtered Air

#2 | 2025-08-14

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AUTOMATED WINDOW MECHANISM WITH COUNTER FORCE

#3 | 2025-05-22

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AUTOMATED WINDOW MECHANISM WITH RELEASABLE CLUTCH

#4 | 2025-05-08

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AUTOMATED WINDOW MECHANISM WITH ENERGY RELEASE

#5 | 2025-02-27

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Head Covering Device Providing Filtered Intake and Exhaust Air

#6 | 2024-05-16

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Solid Oxide Fuel Cell with Integrated Heat Use

#7 | 2024-05-16

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System for Raising and Lowering Furniture

#8 | 2024-05-09

US20240151010A1

Recirculating Shower System

#9 | 2024-04-04

US20240109573A1

Mobile Cart with Adjustable Cargo Container

#10 | 2024-03-21

US20240096571A1

TAP IN SMART SWITCH

#11 | 2024-03-21

US20240090695A1

Motorized Device for Opening and Closing Curtains

#12 | 2024-02-29

US20240067508A1

Winch with Supporting Member

#13 | 2024-02-29

US20240065182A1

Grow System Stack

#14 | 2024-02-29

US20240065181A1

Raisable Grow System

#15 | 2024-02-15

US20240053233A1

Toilet with Microfluidic Chips for Testing Samples

#16 | 2024-02-15

US20240052657A1

Modular Dwelling Unit Having Vertically Spaced Zones

#17 | 2023-11-23

US20230373819A1

Chemistry; metallurgy

System for Sanitizing Water in a Container

#18 | 2023-09-21

US20230294466A9

Weight distribution hitch with improved pre-load adjustment range

#19 | 2023-08-03

US20230241935A9

Weight distribution hitch with shock absorbing springs

#20 | 2023-08-03

US20230241934A9

Weight Distribution Hitch with Dampening Moment Arm

#21 | 2023-07-27

US20230234815A1

WINCH WITH HELICAL GROOVE AND LINE GUIDE

#22 | 2023-07-27

US20230234412A9

Weight Distribution Hitch with Fiber Reinforced Polymer Moment Bar

#23 | 2023-07-27

US20230234411A9

Weight Distribution Hitch with Pivoting Latch

#24 | 2023-06-22

US20230192169A1

Cart Attachable to a Vehicle for Transport

#25 | 2023-06-22

US20230192168A1

Self-Propelled Cart

#26 | 2023-06-22

US20230192166A1

System for Mounting a Component on a Self-Propelled Cart

#27 | 2023-06-22

US20230191981A1

Cargo Carrier Adapted for Use with a Self-Propelled Cart

#28 | 2023-06-22

US20230191857A1

Self-Docking Cart

#29 | 2023-06-01

US20230166952A1

WINCH WITH LINE GUIDE DRIVEN BY WOUND LINE

#30 | 2023-06-01

US20230166951A1

WINCH WITH MULTIPLE SPOOLS ON SINGLE DRIVESHAFT

#31 | 2023-06-01

US20230166950A1

HOISTING DEVICE WITH MULTIPLE LINE TYPES ON DRIVESHAFT

#32 | 2023-06-01

US20230166949A1

WINCH WITH SPOOL AND REMOTE TENSIONING WHEEL

#33 | 2023-05-25

US20230158844A1

Adjustable Weight Distribution Hitch System

#34 | 2023-04-20

US20230123547A1

Storage system with under platform storage

#35 | 2023-03-09

US20230074805A1

Weight Distribution Hitch with Fiber Reinforced Polymer Moment Bar

#36 | 2023-03-09

US20230074597A1

Weight distribution hitch with pivoting latch

#37 | 2023-03-02

US20230068776A1

Weight Distribution Hitch with Shock Absorbing Springs

#38 | 2023-03-02

US20230068380A1

Weight Distribution Hitch with Dampening Moment Arm

#39 | 2023-03-02

US20230067702A1

Weight distribution hitch with angled moment bar for pre-load adjustment

#40 | 2023-03-02

US20230064424A1

Weight Distribution Hitch with Improved Pre-Load Adjustment Range

#41 | 2023-03-02

US20230063074A1

Weight distribution hitch with compact moment bar

#42 | 2023-01-26

US20230029404A1

Balanced Device Providing Filtered Air for a User

#43 | 2023-01-26

US20230028200A1

Device Providing Filtered Air for a User

#44 | 2023-01-26

US20230024861A1

Head Covering Device Providing Filtered Air

#45 | 2022-12-01

US20220381078A1

AUTOMATED WINDOW MECHANISM WITH SECURITY FEATURE

#46 | 2022-11-24

US20220371915A1

Chemistry; metallurgy

System for Sanitizing Water in a Hot Tub

#47 | 2022-10-20

US20220338101A1

MOTION-BASED BEACON ADVERTISEMENT

#48 | 2022-10-20

US20220335765A1

MOTION SENSOR WITH BEACON ADVERTISEMENT

#49 | 2022-10-20

US20220333428A1

Force mapping for automated window mechanism

#50 | 2022-10-20

US20220333427A1

Automated window mechanism with disengaged motor calibration

#51 | 2022-10-20

US20220333426A1

AUTOMATED WINDOW MECHANISM WITH DUAL ACTUATORS

#52 | 2022-10-20

US20220333425A1

Automated window mechanism with releasable clutch

#53 | 2022-10-20

US20220333424A1

Automated window mechanisms with telescoping arm extensions

#54 | 2022-10-13

US20220324684A1

Line gripping winch drum

#55 | 2022-10-13

US20220324683A1

Line tensioner

#56 | 2022-09-29

US20220305302A1

Face Mask Providing Filtered Intake and Exhaust Air

#57 | 2022-09-29

US20220305152A1

Device for Sanitizing Air Filtering Headwear

#58 | 2022-09-22

US20220296939A1

Head Covering Device Providing Filtered Intake and Exhaust Air

#59 | 2022-09-22

US20220295935A1

Head Covering Device with Communication Hardware

#60 | 2022-09-22

US20220295923A1

Head Covering Device Providing Filtered Intake and Exhaust Air

#61 | 2022-09-08

US20220282554A1

Automated window mechanism with pinch protection

#62 | 2022-09-08

US20220282551A1

Automated window mechanism with energy release

#63 | 2022-09-08

US20220282550A1

Automated window mechanism with motor lockdown

#64 | 2022-07-21

US20220228418A1

OVERHEAD DOOR SYSTEM AND RETROFIT KIT

#65 | 2022-07-14

US20220223071A1

Environmentally reactive labels

#66 | 2022-07-14

US20220222611A1

Location tracking system

#67 | 2022-07-14

US20220222610A1

Unified Tracking System

#68 | 2022-07-14

US20220219433A1

Securely coded wrapping

#69 | 2022-06-30

US20220209892A1

ADAPTIVE ERROR CORRECTION DECODING FOR CHIRP SPREAD SPECTRUM

#70 | 2022-06-30

US20220209890A1

Forward error correction for chirp spread spectrum

#71 | 2022-06-30

US20220209815A1

Threshold driven error correction for chirp spread spectrum

#72 | 2022-06-30

US20220209814A1

Multiple chirp data alignment with early message rejection for chirp spread spectrum

#73 | 2022-06-30

US20220209813A1

Single chirp data alignment with early message rejection for chirp spread spectrum

#74 | 2022-06-30

US20220209812A1

Single chirp data alignment for chirp spread spectrum

#75 | 2022-06-30

US20220205319A1

TEMPERATURE SENSORS IN SHADE ARRAY

#76 | 2022-06-30

US20220205315A1

MULTIPLE INDEPENDENT SHADE ARRAY

#77 | 2022-06-30

US20220205314A1

SEAL FOR MULTIPLE INDEPENDENT SHADE ARRAY

#78 | 2022-06-30

US20220205313A1

SEAL FOR WINDOW COVERING

#79 | 2022-06-23

US20220195781A1

Automated windows systems and anchors therefor

#80 | 2022-05-26

US20220163407A1

Thermally Isolated Temperature Sensor in a Toilet Bowl

#81 | 2022-05-26

US20220163370A1

Analytical Toilet with Pressure Sensor

#82 | 2022-04-07

US20220105762A1

Self Trailered Boat

#83 | 2022-04-07

US20220105761A1

Boat with Foot Pedal Operated Braking System

#84 | 2022-03-17

US20220084340A1

Multi Use Package Receptacle

#85 | 2022-03-17

US20220084154A1

Package delivery system

#86 | 2022-03-17

US20220083968A1

Container for Delivering Multiple Packages at a Pickup Location

#87 | 2022-03-17

US20220081230A1

Fleet for delivering packages

#88 | 2022-03-17

US20220080875A1

Package delivery vehicle

#89 | 2022-03-17

US20220080873A1

Package Delivery System with Robots for Last Distance

#90 | 2022-03-17

US20220079368A1

Container for Delivering Packages

#91 | 2022-03-10

US20220074919A1

Toilet Wastewater Collection and Testing

#92 | 2022-03-10

US20220074918A1

Toilet Tracking Timing of Excreta Events

#93 | 2022-03-03

US20220064041A1

Chemistry; metallurgy

Blackwater Treatment

#94 | 2022-03-03

US20220063741A1

Multi-function trailer

#95 | 2022-01-27

US20220028559A1

Customized questions for user of analytical toilet

#96 | 2022-01-27

US20220022810A1

Treatment Compliance Tracking by Measuring Symptoms with an Analytical Toilet

#97 | 2022-01-20

US20220016451A1

Personal Air Filtering Device with Air Mover Pulling Air Out of the Device

#98 | 2022-01-20

US20220016450A1

Head Covering Device Providing Filtered Intake and Exhaust Air

#99 | 2022-01-06

US20220000209A1

Head Covering Device Providing Filtered Air and Climate Control

#100 | 2021-12-30

US20210404239A1