LumenFlow Corp.
Zeeland, MI, US· latest recorded location
LumenFlow Corp. is named on 9 US grants and 9 published applications in this corpus. Its most frequent classification is G02B (Optical elements, systems or apparatus).
- Granted patents
- 9
- Published applications
- 9
- Inventors
- 5
- Granted in 2026 so far
- 0
- Most recent grant
- 9 Jun 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 0 |
By publication year.
Technology areas
Share of 18 documents
- G02BOptical elements, systems or apparatus10
- F21VFunctional features or details of lighting devices or systems thereof5
- B29DProducing particular articles from plastics or from substances in a plastic state4
- B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding4
- F21KNon-electric light sources using luminescence3
- H10HInorganic light-emitting semiconductor devices having potential barriers3
- B29CShaping or joining of plastics2
- F21SNon-portable lighting devices2
- F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to2
- E21BEarth or rock drilling1
Recent patents
- Triplet lens method of manufacture9 Jun 2020US 10,675,823 B2
- Lower index-gap corrective wedge prism14 Apr 2020US 10,620,348 B2
- Compound lens for use with illumination sources in optical systems2 Jul 2019US 10,336,025 B2
- Control of light uniformity using fresnel field placement of optical elements19 Feb 2019US 10,208,927 B2
- Tractrix-based optical device for use with illumination sources in optical systems1 Jan 2019US 10,168,516 B2
- Tractrix-based optical device for use with illumination sources in optical systems28 Mar 2019US 2019/0094506 A1
- Triplet lens method of manufacture14 Mar 2019US 2019/0077103 A1
- Lower index-gap corrective wedge prism14 Jun 2018US 2018/0164477 A1
- Tractrix-based optical device for use with illumination sources in optical systems1 Feb 2018US 2018/0031206 A1
- Control of light uniformity using fresnel field placement of optical elements7 Sep 2017US 2017/0254490 A1
Most cited
By later US patents