Company patents

Kohler Co.

KOHLER CO's patent strategy reveals a surprising, albeit small, emerging focus on medical device technologies, with Physical Therapy Apparatus patents growing by 40.0% in 2025 and Sterilization & Biocompatible Materials patents surging by 166.7% in 2025, despite these categories representing only 1.7% of their total portfolio each. While core manufacturing areas like Spraying & Atomizing (11.1% of portfolio) and Valves (7.2% of portfolio) remain significant, their patenting activity in these areas, along with consumer categories like Tables & Desks and Household Articles, has seen substantial year-over-year declines in 2025 and so far in 2026, indicating a potential shift in priorities.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

874 US filings (since 2023) · 11 categories · 24 themes

Valves for Sanitary & HVAC Systems

Specialized valve designs for domestic and commercial applications involving water distribution, temperature control, and air conditioning, often focusing on integration, materials, and specific flow characteristics.

Valves
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112since 2023
-17.1%YoY
Integrated Multi-Component Spray Systems

Spraying devices designed to handle, mix, or independently dispense multiple distinct fluid components, often with mechanisms for selection, blending, or sequential application.

Spraying & Atomizing
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52since 2023
-54.2%YoY
Advanced Nozzle Fluid Dynamics

Innovations in nozzle internal geometry, actuation, or multi-fluid mixing to achieve specific spray patterns, droplet sizes, or performance characteristics, especially for challenging fluids or conditions.

Spraying & Atomizing
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50since 2023
-29.4%YoY
Precision Dosing & Targeted Spraying

Systems and methods for accurately controlling the volume, location, and characteristics of sprayed fluids, often involving sensors, feedback, or specific nozzle geometries for precise application.

Spraying & Atomizing
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42since 2023
-47.1%YoY
Spray-Based Cleaning & Disinfection

Systems specifically engineered to use sprayed liquids or aerosols for cleaning surfaces, removing residues, or distributing disinfectants in various environments.

Spraying & Atomizing
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36since 2023
0.0%YoY
Quick Connect/Disconnect Couplings

Mechanisms allowing rapid, secure, and often sealed attachment and detachment of pipes, tubes, or hoses, frequently featuring locking, sealing, and release components for efficient assembly and maintenance.

Pipes & Tubing
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34since 2023
-40.0%YoY
Advanced Valve Actuation

Mechanisms and control systems for precisely moving valve elements, often involving electric motors, cams, solenoids, or pneumatic/hydraulic pilots, to achieve desired flow or position.

Valves
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31since 2023
-35.7%YoY
Adaptive Lighting Control Systems

Systems and methods for dynamically adjusting light output, distribution, color, or intensity based on environmental conditions, user presence, content, or specific application needs.

Lighting Devices (Functional Features)
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18since 2023
0.0%YoY
Smart & Interactive Household Features

Integration of electronic controls, sensors, active lighting, or other intelligent components into household articles for automation, enhanced functionality, or user interaction.

Household Articles
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17since 2023
-70.0%YoY
Secure & Organized Storage

Furniture designs that incorporate specialized compartments, locking mechanisms, or automated retrieval systems to secure, organize, or control access to stored items within cabinets, desks, or appliances.

Tables & Desks
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9since 2023
-25.0%YoY
Hydraulic & Pneumatic Control Valves

Valves specifically designed for managing fluid power in hydraulic or pneumatic systems, including components for pressure regulation, flow direction, and system centering.

Valves
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9since 2023
-60.0%YoY
Specialized Fluid Handling Connections

Couplings and fittings designed for specific fluid properties (e.g., cryogenic, chemical, medical, high-pressure) or requiring aseptic conditions, low-spill characteristics, or antimicrobial features to ensure safety and integrity.

Pipes & Tubing
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8since 2023
+33.3%YoY
Integrated Valve Sensing & Diagnostics

Incorporating sensors and processing capabilities directly into valve systems to monitor operational state, detect malfunctions, measure flow parameters, or verify proper installation.

Valves
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6since 2023
+50.0%YoY
Wearable & Portable Lighting

Compact and lightweight lighting devices designed to be worn on the body or easily carried, often featuring ergonomic designs, integrated power sources, and adjustable illumination.

Lighting Devices (Functional Features)
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6since 2023
+100.0%YoY
Controlled Scent Release Systems

Devices and methods for the regulated delivery, preservation, and emission of volatile chemical agents, often for fragrance or therapeutic purposes, within various environments or containers.

Sterilization & Biocompatible Materials
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5since 2023
0.0%YoY
Medical Sterilization Technologies

Methods and apparatus for disinfecting or sterilizing medical devices, waste, or environments, often employing radiation, chemical agents, or thermal processes, and including monitoring systems.

Sterilization & Biocompatible Materials
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5since 2023
+100.0%YoY
LED Optical Extraction & Light Management

Optical structures and lens designs that improve light extraction efficiency from LED dies and modules, including diffractive films, micro-lens arrays, reflectors, and color-conversion layers.

Lighting Devices (Functional Features)
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3since 2023
new
Therapeutic Massage & Vibration

Apparatus designed to deliver localized massage, percussive action, vibration, or combined thermal therapy to muscles and soft tissues for pain relief, circulation improvement, or muscle recovery.

Physical Therapy Apparatus
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2since 2023
new
Pressure Relief and Check Valves

Valves engineered to automatically open or close based on pressure differentials, preventing over-pressurization, controlling flow direction, or suppressing backflow in fluid systems.

Valves
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2since 2023
new
Biological Fluid & Air Filtration

Systems and materials designed for purifying biological fluids (like blood) or capturing airborne particles (like respiratory droplets) using membranes, filters, or specialized coatings.

Sterilization & Biocompatible Materials
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2since 2023
new
Integrated Monitoring & Safety Systems

Systems that utilize sensor arrays and processing capabilities to monitor patient activity, vital signs, or environmental conditions in therapeutic settings, providing alerts or adaptive control for safety and privacy.

Physical Therapy Apparatus
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2since 2023
n/a
Agricultural Spraying Automation & Control

Technologies for improving the efficiency, precision, and environmental impact of spraying applications in agriculture, including smart nozzles, boom control, and real-time sensing.

Spraying & Atomizing
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1since 2023
new
Automated Coating & Material Deposition

Systems and processes for applying coatings, films, or materials onto surfaces in manufacturing or industrial contexts, often involving automated movement, surface preparation, or post-application treatment.

Spraying & Atomizing
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1since 2023
n/a
Non-Standard Pipe & Duct Geometries

Connectors, seals, and tubing solutions specifically designed for pipes, ducts, or conduits that deviate from standard circular cross-sections, or require flexible/collapsible forms for specific applications or installation challenges.

Pipes & Tubing
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1since 2023
n/a

Patents

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