Inventor
PETER K. HERMAN
Inventor
US
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation38%
F01MLubricating of machines or engines in general20%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof12%
B04BCentrifuges5%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
F03BMachines or engines for liquids4%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%
B04CApparatus using free vortex flow, e.g. cyclones1%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles1%
PatentTitleYear
12,496,539Filter element with self-contained electrostatic buildup protection202512,330,106Split flow axial crankcase separator202512,303,816Axial flow centrifugal separator202512,179,131Filtration element with gradient seal interface202412,105,544Non-vented, semi-automated water drain valve system202412,030,063Separation assembly with a single-piece impulse turbine202412,023,619Split flow axial crankcase separator202411,994,049Duckbill aerosol separator with always open refinement202411,964,224Rotating coalescing element with directed liquid drainage and gas outlet202411,951,431Axial flow centrifugal separator202411,918,948Systems and methods for rotating coalescers maintaining positive recirculation through a dynamic seal202411,883,767Filter port seal202411,828,213Separation assembly with multiple separators and a single jet pump assembly202311,772,024Filter assembly with a diffuser202311,624,302Duckbill aerosol separator with always open refinement202311,619,152Crankcase ventilation systems having a swirl breaker to reduce pressure drop in tangentially exiting fluids202311,596,890Restriction indicator device for filter assembly202311,529,572Integral flow structure within a containment cover202211,504,665Rotating coalescing element with directed liquid drainage and gas outlet202211,471,808Impulse turbine with non-wetting surface for improved hydraulic efficiency202211,471,805External brace reinforcement structure for improved strength and performance of primary filter element202211,458,484Separation assembly with a single-piece impulse turbine202211,446,598Axial flow centrifugal separator202211,383,184Filter element with a spacer202211,333,116Water drain mechanism for filter assemblies202211,318,403Auto drain system for vacuum and pressure side fuel water separator202211,260,404Tangential air cleaner with coiled filter cartridge202211,235,273Filter assembly with a diffuser202211,213,775Fuel filter cartridges with automated air-bleeding internal features202211,207,620Filter port seal202111,207,631System and method for improving mass air flow signal quality202111,198,076Bi-directional no filter no run pin202111,174,766Air-oil separator with jet-enhanced impaction and method associated therewith202111,173,440Centrifugal separator with improved volumetric surface area packing density and separation performance2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to CUMMINS FILTRATION IP INC (32)· patent assignee history
2021–2025Based in US· patent location history
2023–2024Patents assigned to CUMMINS FILTRATION INC (2)· patent assignee history
2025Patents assigned to ATMUS FILTRATION IP INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CUMMINS FILTRATION IP INC | 32 | 2021–2025 |
| CUMMINS FILTRATION INC | 2 | 2023–2024 |
| ATMUS FILTRATION IP INC | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 34 | 2021–2025 |