DMF, Inc.
Carson, CA, US· latest recorded location
DMF, Inc. is named on 76 US grants and 69 published applications in this corpus. Its most frequent classification is F21V (Functional features or details of lighting devices or systems thereof).
- Granted patents
- 76
- Published applications
- 69
- Inventors
- 36
- Granted in 2026 so far
- 1
- Most recent grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 4 |
| 2018 | 5 | 2 |
| 2019 | 9 | 4 |
| 2020 | 16 | 9 |
| 2021 | 15 | 9 |
| 2022 | 13 | 10 |
| 2023 | 6 | 5 |
| 2024 | 3 | 3 |
| 2025 | 5 | 4 |
| 2026 | 1 | 13 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 145 documents
- F21VFunctional features or details of lighting devices or systems thereof103
- F21SNon-portable lighting devices102
- F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to77
- H05BElectric heating25
- H02GInstallation of electric cables or lines, or of combined optical and electric22
- F21KNon-electric light sources using luminescence18
- H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers14
- G02BOptical elements, systems or apparatus12
- Y02BEnergy-efficient buildings4
- E04CStructural elements3
Recent patents
- Lighting module with keyed heat sink coupled to thermally conductive trim10 Feb 2026US 12,546,465 B2
- Lighting module having field-replaceable optics, improved cooling, and tool-less mounting features29 Jul 2025US 12,372,222 B2
- Adjustable electrical apparatus with hangar bars for installation in a building8 Jul 2025US 12,352,405 B2
- Bar hanger assembly with crossmembers and housing assemblies using same13 May 2025US 12,297,986 B2
- Polymer housing for a lighting system and methods for using same28 Jan 2025US 12,209,736 B2
- Adjustable electrical apparatus with hangar bars for installation in a building1 Oct 2026US 2026/0298424 A1
- Lighting system control via ac power lines17 Sep 2026US 2026/0282198 A1
- Methods and apparatus for small aperture lighting having variable vertical adjustability27 Aug 2026US 2026/0251287 A1
- Lighting system control via ac power lines13 Aug 2026US 2026/0239516 A1
- Lighting system control via ac power lines23 Jul 2026US 2026/0214774 A1
Most cited
By later US patents
- Unified driver and light source assembly for recessed lighting111US 9,964,266 B22018
- Adjustable compact recessed lighting assembly with hangar bars90US 10,139,059 B22018
- Electrical junction box90US D833,977 S12018 · Design
- Electrical junction box87US D848,375 S12019 · Design
- Electrical Junction Box87US D851,046 S12019 · Design