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Home › Ebert Composites › David W. Johnson

DJ

David W. Johnson — 108 Patents

ECEbert Composites: 38 patents #1 of 13Top 8%

LLLucite International Uk Limited: 12 patents #2 of 68Top 3%

EAE.I. Du Pont De Nemours And: 11 patents #946 of 12,129Top 8%

MLMitsubishi Chemical Uk Limited: 4 patents #3 of 18Top 20%

The Goodyear Tire & Rubber: 4 patents #834 of 3,057Top 30%

KWKimberly-Clark Worldwide: 3 patents #1,525 of 3,587Top 45%

KGKryptek Outdoor Group: 3 patents #2 of 8Top 25%

MSMerit Medical Systems: 2 patents #100 of 330Top 35%

CGContitech Transportbandsysteme Gmbh: 2 patents #20 of 71Top 30%

TTThe Toro: 2 patents #200 of 552Top 40%

WAWaterous: 2 patents #7 of 11Top 65%

UFUS Air Force: 2 patents #3,485 of 16,312Top 25%

American Telephone And Telegraph: 1 patents #132 of 699Top 20%

ICICI: 1 patents #1,088 of 2,189Top 50%

ALAmerican Telephone & Telegraph Co., At&T Bell Labs.: 1 patents #2 of 35Top 6%

Hastings, MN: #1 of 173 inventorsTop 1%

Minnesota: #171 of 52,454 inventorsTop 1%

Overall (All Time): #12,416 of 4,157,543Top 1%

108 Patents All Time

David W. Johnson has been granted 108 US patents while listed as an inventor at Ebert Composites. The first was granted in 1985 and the most recent in July 2025. David W. Johnson ranks #12,416 of 4,157,543 US inventors in our database (top 0.30%). Patent records list David W. Johnson in Hastings, MN, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 108 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12345278	Debris blower with sound attenuation resonator	Benjamin L. Waldera, Samuel M. Mahaffey	2025-07-01
D1074221	Fabric with a stylized-v armor pattern	David Wood	2025-05-13
11981951	Process for the production of methyl methacrylate	Graham Ronald Eastham, Zoe Bethany Clare Disley, Gill Stephens, Mark Waugh	2024-05-14
11806694	Catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters	Adam Cullen, Ian Andrew York	2023-11-07
11781160	Methods for the production of methacrylates	Zoe Bethany Clare Disley, Graham Ronald Eastham, Laura Martins, Russel Menchavez, Luca Rossoni +1 more	2023-10-10
11642861	System and method for sequential circumferential deposition of thermoplastic composite prepreg material to successfully layer plies of prepreg tape, allowing the continuous processing of tubular shapes and rods	D. Michael Gordon	2023-05-09
11602733	Catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters	Adam Cullen, Ian Andrew York	2023-03-14
11400665	System and method for sequential circumferential deposition of thermoplastic composite prepreg material to successfully layer plies of prepreg tape, allowing the continuous processing of tubular shapes and rods	D. Michael Gordon	2022-08-02
11085497	Fluid coupling with partially curved impeller vanes	—	2021-08-10
10874053	Draper belt with a rubber insert inside the cleats to increase belt durability and reduce fiberglass rod	Alan C. Echtenkamp	2020-12-29
D889639	Syringe	Sarah Ashley Spangler	2020-07-07
D878576	Selectable valve with indicator	—	2020-03-17
10537059	Gang mower with cutting units having suspensions incorporating tuned mass dampers	Corey J. Muellenbach	2020-01-21	$35,366,000
10464875	Process for the production of ethylenically unsaturated carboxylic acids or esters	Graham Ronald Eastham, Mark Waugh, Jonathan Ainsley Iggo, Michael Beaumont	2019-11-05
10449737	3D thermoplastic composite pultrusion system and method	Scott A. Garrett, Stephen G. Moyers	2019-10-22
10328641	Thermoplastic composite tubular lineal forming system and method	Scott A. Garrett, Stephen G. Moyers	2019-06-25
10233022	Draper belt having improved cleat design	—	2019-03-19
10190424	3D thermoplastic composite pultrusion system and method	Scott A. Garrett, Stephen G. Moyers	2019-01-29
10124546	3D thermoplastic composite pultrusion system and method	Scott A. Garrett, Stephen G. Moyers	2018-11-13
9963978	3D thermoplastic composite pultrusion system and method	Scott A. Garrett, Stephen G. Moyers	2018-05-08
9890103	Process for the production of (meth)acrylic acid and derivatives and polymers produced therefrom	Graham Ronald Eastham, Martyn Poliakoff, Thomas Andrew Huddle	2018-02-13
9816115	Process for the production of methyl methacrylate	Graham Ronald Eastham, Adrianus Johannes Jozef Straathof, Marco Wilhemus Fraaije, Remko Tsjibbe Winter	2017-11-14
9764520	3D thermoplastic composite pultrusion system and method	Scott A. Garrett, Stephen G. Moyers	2017-09-19
9735466	Advanced composite radome and method of manufacturing	Scott A. Garrett, Stephen G. Moyers	2017-08-15
9724881	3D thermoplastic composite pultrusion system and method	Scott A. Garrett, Stephen G. Moyers	2017-08-08