Where does D&L Manufacturing, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), D&L Manufacturing, Inc. ranks #19,671 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does D&L Manufacturing, Inc. hold?

D&L Manufacturing, Inc. holds 14 US utility patents granted between 2015 and 2025, spanning 14 technology areas.

What is D&L Manufacturing, Inc.'s Innovation Score?

D&L Manufacturing, Inc. has an Innovation Score of 41.3 out of 100 (top 33% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is D&L Manufacturing, Inc.'s patent grant rate increasing or decreasing?

D&L Manufacturing, Inc.'s recent grant velocity is +60% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for D&L Manufacturing, Inc.'s patents?

D&L Manufacturing, Inc.'s patents average 17.3 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the D&L Manufacturing, Inc. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView US Corporation

D&L Manufacturing, Inc.

Q: What technology areas does D&L Manufacturing, Inc. focus on?

D&L Manufacturing, Inc.'s top technology area is B65G (Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors) with 6 patents, ranking #350 of 1,746 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

USPTO PatentsView assignee record - 14 granted patents across 14 technology areas, recorded in grant years 2015–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: B65G (Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, D&l ranks #19,671 of 49,997 tracked US assignees by granted-patent volume, with 14 patents across 14 technology areas.

#19,671
of 49,997 US assignees by volume: Top 33%
by Innovation Score (41.3/100): 17.3
avg claims per patent: +60%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R19671 · US Corporation #19,671 · 14 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 14 grants
MID-PACK #19,671/49,997
PHOTO-FINISH Corpak Medsystems
CPC-FOCUS B65G · 14 areas
INNOV-PAR 41.3/100
CLAIMS-RICH 17.3 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +60% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Corpak Medsystems, Inc. (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How D&l’s 41.3 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 9.4 pts (23%) Velocity 8.3 pts (20%) Breadth 13.2 pts (32%) Claim depth 10.4 pts (25%)

Qualcomm Incorporated · highest

85
D&L Manufacturing · this assignee

41
3D Lighting… · lowest

7

What this shows D&l's Innovation Score is 41.3/100 (top 33% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for D&l?

Each dot is one of D&l’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). D&l’s own 17.3 claims/patent is ABOVE the 11.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

D&l vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where D&l's grants concentrate

D&L Manufacturing, Inc. is a focused PatentsView assignee: 14 CPC subclasses with 42.9% of grants classified under B65G (Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors). Peak complete grant year is 2016 (2 grants) versus a trough of 1 in 2015. By volume, D&l sits between Corpak Medsystems, Inc. and Daito Giken, Inc..

D&l's three-year grant acceleration

D&L Manufacturing, Inc. shows 5 grants in 2022–2024 against only 4 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Corpak Medsystems

14
Cutera

14
Cyberoptics

14
Cyphort

14
D P Technology

14
DAE WON SAN UP

14
Daihatsu Motor

14
Daito Giken

14
D&L Manufacturing ◀

14

What this shows D&L holds 14 patents at rank #19,642, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near D&L

By rank, the assignees closest to #19,642 in granted patent volume.

Leaders in B65G (Transport OR Storage Devices)

Other assignees with the most granted patents in D&L's primary technology class.

D&l's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

41 Top 33% higher than 67% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

D&L Manufacturing, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	7.1%
2016	2	14.3%
2017	1	7.1%
2019	1	7.1%
2020	1	7.1%
2021	2	14.3%
2022	2	14.3%
2023	1	7.1%
2024	2	14.3%
2025partial year	1	7.1%

Which technologies does D&L Manufacturing, Inc. patent most?

B65G - Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors 6

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 3

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening 2

B60H - Arrangements OF Heating, Cooling, Ventilating OR Other Air-treating Devices Specially Adapted FOR Passenger OR Goods Spaces OF Vehicles 2

B60T - Vehicle Brake Control Systems OR Parts THEREOF; Brake Control Systems OR Parts Thereof, IN General ; Arrangement OF Braking Elements ON Vehicles IN GENERAL; Portable Devices FOR Preventing Unwanted Movement OF VEHICLES; Vehicle Modifications TO Facilitate Cooling OF Brakes 2

H04N - Pictorial Communication, e.g. Television 1

H04W - Wireless Communication Networks 1

E06B - Fixed OR Movable Closures FOR Openings IN Buildings, Vehicles, Fences OR Like Enclosures IN General, e.g. Doors, Windows, Blinds, Gates 1

B60P - Vehicles Adapted FOR Load Transportation OR TO Transport, TO Carry, OR TO Comprise Special Loads OR Objects 1

B64F - Ground OR Aircraft-carrier-deck Installations Specially Adapted FOR USE IN Connection With AIRCRAFT; Designing, Manufacturing, Assembling, Cleaning, Maintaining OR Repairing Aircraft, NOT Otherwise Provided FOR; Handling, Transporting, Testing OR Inspecting Aircraft Components, NOT Otherwise Provide 1

F16F - SPRINGS; SHOCK-ABSORBERS; Means FOR Damping Vibration 1

G10K - Sound-producing DEVICES; Methods OR Devices FOR Protecting Against, OR FOR Damping, Noise OR Other Acoustic Waves IN GENERAL; Acoustics NOT Otherwise Provided FOR 1

F16J - Pistons ; CYLINDERS; Sealings 1

F04D - Non-positive-displacement Pumps 1

Top 14 of 14 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

D&L Manufacturing, Inc.'s patent record in context - here's where to go next.

D&L Manufacturing, Inc.'s lead technology class is B65G (Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors), 42.9% of its portfolio - see every assignee active in that class. Explore B65G
Ranked #19,671 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare D&L Manufacturing, Inc. against Corpak Medsystems, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 41.3/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.