Company patents

Cummins Filtration Inc.

Cummins Filtration Inc. surprisingly maintains a near-exclusive focus on its core "Separation Processes (Filtration, Distillation)" technology, representing 85.3% of its patent portfolio, despite a significant -73.7% decline in patenting activity so far in 2026 for this category. While minor forays into "Batteries & Fuel Cells" and "Vehicle Brake Systems" occurred in 2025 and 2026 respectively, they represent a negligible portion of the overall strategy, suggesting a highly specialized and concentrated patenting approach rather than diversification into broader automotive or energy sectors.

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.

68 US filings (since 2023) · 4 categories · 6 themes

Industrial & Bioprocess Filtration

Membrane and depth filtration for industrial separation, gas purification, and bioprocess clarification including cross-flow, dead-end, tangential flow filtration, and oil/water separation.

Separation Processes (Filtration, Distillation)
Who else files here? →
20since 2023
+14.3%YoY
Water Contaminant Remediation

Systems and methods specifically engineered for removing pollutants and impurities from water sources, ranging from groundwater decontamination to point-of-use filtration, often employing adsorption, membrane, or distillation techniques.

Separation Processes (Filtration, Distillation)
Who else files here? →
5since 2023
-50.0%YoY
Water & Wastewater Membrane Treatment

Membrane-based separation for water purification, contaminant removal, desalination, and wastewater treatment, including reverse osmosis, ultrafiltration, and forward osmosis modules.

Separation Processes (Filtration, Distillation)
Who else files here? →
4since 2023
+100.0%YoY
Gas Stream Purification

Technologies and systems for removing unwanted components or separating desired gases from a mixed gas stream, including adsorption, absorption, and membrane-based methods.

Separation Processes (Filtration, Distillation)
Who else files here? →
3since 2023
new
Industrial Solid-Liquid Separation

Equipment and processes for separating solid particles from liquid or gas phases in industrial settings, encompassing mechanical screening, filtration of molten materials, and various filter media designs.

Separation Processes (Filtration, Distillation)
Who else files here? →
3since 2023
new
Battery Material Recovery

Processes and apparatus for disassembling spent batteries and recovering valuable materials (e.g., metals, electrolytes, plastics) through mechanical, chemical, or electrochemical methods for reuse or sustainable disposal.

Batteries & Fuel Cells
Who else files here? →
1since 2023
new

Patents

Showing 1-10 of 76

Page 1 of 8