Where does Spdi Holdings, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Spdi Holdings, Inc. ranks #30,222 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 Spdi Holdings, Inc. hold?

Spdi Holdings, Inc. holds 9 US utility patents granted between 2015 and 2021, spanning 13 technology areas.

What is Spdi Holdings, Inc.'s Innovation Score?

Spdi Holdings, Inc. has an Innovation Score of 31.6 out of 100 (38th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Spdi Holdings, Inc. focus on?

Spdi Holdings, Inc.'s top technology area is B01F (Mixing, e.g. Dissolving, Emulsifying OR Dispersing) with 4 patents, ranking #241 of 1,218 assignees active in that subclass. Grants appear in 13 CPC subclasses total.

Is Spdi Holdings, Inc.'s patent grant rate increasing or decreasing?

Spdi Holdings, Inc.'s recent grant velocity is -50% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Spdi Holdings, Inc.'s patents?

Spdi Holdings, Inc.'s patents average 18.2 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 Spdi Holdings, 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

Spdi Holdings, Inc.

USPTO PatentsView assignee record - 9 granted patents across 13 technology areas, recorded in grant years 2015–2021. 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: B01F (Mixing, e.g. Dissolving, Emulsifying OR Dispersing).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Spdi ranks #30,222 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 13 technology areas.

#30,222
of 49,997 US assignees by volume: 38th percentile
by Innovation Score (31.6/100): 18.2
avg claims per patent: -50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R30222 · US Corporation #30,222 · 9 grants

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

GRANTS-MICRO 9 grants
MID-PACK #30,222/49,997
PHOTO-FINISH Soul Machines
CPC-FOCUS B01F · 13 areas
INNOV-THIN 31.6/100
CLAIMS-RICH 18.2 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Soul Machines Limited (±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 Spdi’s 31.6 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 8.0 pts (25%) Velocity 0.0 pts (0%) Breadth 12.7 pts (40%) Claim depth 10.9 pts (34%)

Qualcomm Incorporated · highest

85
Spdi Holdings · this assignee

32
3D Lighting… · lowest

7

What this shows Spdi's Innovation Score is 31.6/100 (38th percentile 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 Spdi?

Each dot is one of Spdi’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). Spdi’s own 18.2 claims/patent is at or below the 18.6 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Spdi's grants concentrate

Spdi Holdings, Inc. is a focused PatentsView assignee: 13 CPC subclasses with 44.4% of grants classified under B01F (Mixing, e.g. Dissolving, Emulsifying OR Dispersing). Peak complete grant year is 2015 (2 grants) versus a trough of 1 in 2017. By volume, Spdi sits between Soul Machines Limited and Spreadtrum Semiconductor (NANJING) Co., Ltd..

Soul Machines

9
Sound Technology

9
Sovereign Pharmac…

9
Space Charge

9
Spgprints B V

9
SPI Pharma

9
Spinnova OY

9
Spreadtrum Semico…

9
Spdi Holdings ◀

9

What this shows Spdi holds 9 patents at rank #30,090, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Spdi

By rank, the assignees closest to #30,090 in granted patent volume.

Leaders in B01F (Mixing)

Other assignees with the most granted patents in Spdi's primary technology class.

Spdi's Innovation Score vs. every tracked assignee

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

32 38th percentile higher than 38% 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 · 2015–2021

Grants by year

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

View data table

Spdi Holdings, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	22.2%
2017	1	11.1%
2018	2	22.2%
2019	1	11.1%
2020	1	11.1%
2021	2	22.2%

Which technologies does Spdi Holdings, Inc. patent most?

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 4

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 4

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 4

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor 4

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 4

F04F - Pumping OF Fluid BY Direct Contact OF Another Fluid OR BY Using Inertia OF Fluid TO BE Pumped ; Siphons 3

B05C - Apparatus FOR Applying Fluent Materials TO Surfaces, IN General 3

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 2

F26B - Drying Solid Materials OR Objects BY Removing Liquid Therefrom 2

B41F - Printing Machines OR Presses 2

G21K - Techniques FOR Handling Particles OR Ionising Radiation NOT Otherwise Provided FOR; Irradiation DEVICES; Gamma RAY OR X-ray Microscopes 2

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 1

G21F - Protection Against X-radiation, Gamma Radiation, Corpuscular Radiation OR Particle BOMBARDMENT; Treating Radioactively Contaminated MATERIAL; Decontamination Arrangements Therefor 1

Top 13 of 13 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

Spdi Holdings, Inc.'s patent record in context - here's where to go next.

Spdi Holdings, Inc.'s lead technology class is B01F (Mixing, e.g. Dissolving, Emulsifying OR Dispersing), 44.4% of its portfolio - see every assignee active in that class. Explore B01F
Ranked #30,222 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Spdi Holdings, Inc. against Soul Machines Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 31.6/100 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.