Company Analysis

Avantor, Inc. (AVTR)

NYSE: AVTR · Laboratory Analytical Instruments · Radnor, PA · filing with the SEC since 2017
Grade4.4
◀ Past 5.2● Present 4.6▶ Future 3.3

Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

75 patents granted to the 21 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Avantor, Inc.’s names, not what it holds today.

Patents granted
75
65 utility, 10 design, 1976 to Dec 31, 2025
Granted in 2025
4
Against 9 in 2024 and 7 in 2023
Applications published
65
6 of them in 2025
Names they are printed under
21
a subsidiary
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Macromolecular chemistry, polymers4
Engines, pumps, turbines4
Mechanical elements3
Organic fine chemistry2
Surface technology, coating2
Basic materials chemistry1
Chemical engineering1
Handling1
Audio-visual technology1
Medical technology1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name21 counted
AVANTOR PERFORMANCE MATERIALS, LLC a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in NL)
19 granted
14 published
RELIABLE BIOPHARMACEUTICAL CORPORATION a subsidiary
US, as the owner printed on each patent
11 granted
9 published
Masterflex, LLC a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in DE)
13 granted
0 published
Ritter GmbH a subsidiary
DE, as the owner printed on each patent. 2 more under the same name are not counted (printed in US)
9 granted
3 published
Applied Silicone Corporation a subsidiary
US, as the owner printed on each patent
2 granted
6 published
SEASTAR CHEMICALS ULC a subsidiary
CA, as the owner printed on each patent. 1 more under the same name are not counted (printed in US)
3 granted
5 published
NUSIL TECHNOLOGY LLC a subsidiary
US, as the owner printed on each patent
7 granted
0 published
Avantor Fluid Handling, LLC a subsidiary
US, as the owner printed on each patent
3 granted
3 published
NuSil Technology LLC a subsidiary
named as the applicant on its applications, in US
0 granted
6 published
Ritter GmbH a subsidiary
named as the applicant on its applications, in DE
0 granted
5 published
AVANTOR PERFORMANCE MATERIALS, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
4 published
SEASTAR CHEMICALS ULC a subsidiary
named as the applicant on its applications, in CA
0 granted
4 published
SEASTAR CHEMICALS INC. a subsidiary
CA, as the owner printed on each patent
2 granted
1 published
Clemens GmbH & Co. KG a subsidiary
DE, as the owner printed on each patent
0 granted
2 published
Puritan Products, Inc. a subsidiary
US, as the owner printed on each patent
2 granted
0 published
adcatec GmbH a subsidiary
DE, as the owner printed on each patent
1 granted
1 published
Applied Silicone Corporation a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Avantor Fluid Handling LLC a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Morehouse Cowles, Inc. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Morehouse-Cowles, Inc., a CA corp. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
VWR International, Inc. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Names not counted (3)
Masterflex, LLC
Most of its patents print DE; this name counts in US. 0 granted and 9 published under it are not counted.
Masterflex, LLC
Most of its patents print DE; this name counts in US. 3 granted and 3 published under it are not counted.
Jencons (Scientific) LLC
Most of its patents print GB; this name counts in US. 3 granted and 0 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Sep 2, 202512,404,352Encapsulated catalyst for one-part organopolysiloxane systems and methods related theretoMacromolecular chemistry, polymersNUSIL TECHNOLOGY LLC
May 13, 2025D1,074,732Display screen with graphical user interfaceMasterflex, LLC
Apr 8, 202512,269,059Silicone compositions and methods related theretoMacromolecular chemistry, polymersNUSIL TECHNOLOGY LLC
Feb 4, 2025D1,060,432Pump head cover for a peristaltic pumpMasterflex, LLC
Dec 10, 202412,162,653Cap with dual valve aseptic sealsMechanical elementsAvantor Fluid Handling, LLC
Nov 5, 2024D1,050,209Rotor assembly for a peristaltic pumpMasterflex, LLC
Oct 22, 202412,123,526Aseptic connect and disconnect couplerMedical technologyAvantor Fluid Handling, LLC
Jun 18, 202412,012,953Liquid resistant pump, pump housing, and controls and methods of making and use thereofEngines, pumps, turbinesMasterflex, LLC
May 21, 2024D1,027,596Pinch clampMasterflex, LLC
Apr 2, 2024D1,021,074Adapter housing for a peristaltic pumpMasterflex, LLC
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Nov 13, 20252025/0346614PROCESS FOR REMOVING TIN OXIDE DEPOSITSMaterials, metallurgySEASTAR CHEMICALS ULC
Nov 6, 20252025/0339370PERFORMANCE-ENHANCING EXCIPIENTS AND METHODS OF REDUCING VISCOSITY AND INCREASING STABILITY OF BIOLOGIC FORMULATIONSPharmaceuticalsAVANTOR PERFORMANCE MATERIALS, LLC
Jun 19, 20252025/0197794MEMBRANE RUPTURE COMPOSITIONS AND METHODS OF MAKING AND USING SAMEBiotechnologyAVANTOR PERFORMANCE MATERIALS, LLC
Jun 19, 20252025/0197429TIN CONTAINING ORGANOMETALLIC COMPOUNDSOrganic fine chemistrySEASTAR CHEMICALS ULC
Feb 27, 20252025/0065656PLASTIC PRODUCT AND A METHOD FOR APPLYING AN IMPRINT TO A PLASTIC PRODUCTTextile and paper machinesRitter GmbH
Feb 27, 20252025/0065546PLASTIC PRODUCT AND METHOD FOR PRODUCING A PLASTIC PRODUCTOther special machinesRitter GmbH
Dec 12, 20242024/0410505FLOW REDUCER INSERT AND COLLIMATOR FOR A TRI-CLAMP HOSE BARB FITTINGMechanical elementsAvantor Fluid Handling, LLC
Nov 7, 20242024/0368314ENCAPSULATED CATALYST FOR ONE-PART ORGANOPOLYSILOXANE SYSTEMS AND METHODS RELATED THERETOMacromolecular chemistry, polymersNuSil Technology LLC
Mar 14, 20242024/0084937ASEPTIC CONNECT AND DISCONNECT COUPLERMedical technologyAvantor Fluid Handling, LLC · patent 12,123,526 granted from it
Dec 21, 20232023/0403996METHOD FOR CONTROLLING THE OPENING OF A WORK APPARATUS HAVING PAIRWISE ARRANGED PROCESSING DEVICES FOR VITICULTURE, AND WORK APPARATUSControlClemens GmbH & Co. KG
What it applied for, 2024 to 2025: Medical technology 1 · Macromolecular chemistry, polymers 1 · Mechanical elements 1 · Textile and paper machines 1 · Other special machines 1 · Organic fine chemistry 1.

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton AVTR · research, not advice