Weekly Patent Market Pulse: USPTO Assignments from Aug 18, 2025 to Aug 24, 2025


From August 18 to 24, 2025, the U.S. patent market featured notable transactions:

  • RESONAC CORP to CRASUS CHEMICAL INC; JAPAN POLYETHYLENE CORP; THE UNIVERSITY OF TOKYO (Aug 18): Catalyst and method for olefin polymerization patents.
  • CALLAHAN CELLULAR LLC to INTELLECTUAL VENTURES ASSETS 200 LLC (Aug 18): Inventory and logistics management systems and methods patents.
  • AB ENZYMES GMBH to ROAL OY (Aug 18): Innovative fungal enzyme variants for enhanced industrial applications patents.
  • AIRGAP NETWORKS INC to ZSCALER INC (Aug 18): Ransomware lateral movement protection in networked environments patents.
  • TECHMAH MEDICAL LLC to LIMA US INC (Aug 18): Surgical navigation and orthopedic implants with advanced technologies patents.
These transactions involve major companies like Resonac Corp, Intellectual Ventures, and Zscaler Inc, highlighting strategic patent acquisitions in various tech sectors.

Please note that the following records include assignments involving more than 5 patents. To access detailed records linking patents and companies, you may be directed to Patentcloud pages where signing in or signing up is required.
Reel No. Recorded Date Execution Date Assignor Assignee # of Patents
72047-478 20250818 20250612 RESONAC CORP CRASUS CHEMICAL INC;JAPAN POLYETHYLENE CORP;THE UNIVERSITY OF TOKYO 6
Summary of Patents: Catalyst And Method For Olefin Polymerization
This document discusses a catalyst and method for producing olefin polymers, specifically those containing polar groups. It details the process of olefin polymerization, highlighting the role of catalysts in enhancing polymer production. The focus is on creating olefin-based polymers with specific properties by incorporating polar groups, which can improve the material's functionality and application range. The method aims to optimize polymerization efficiency and product quality, offering advancements in polymer technology.
72046-896 20250818 20250612 RESONAC CORP CRASUS CHEMICAL INC;THE UNIVERSITY OF TOKYO 6
Summary of Patents: Carboxylate Metal Complex Catalyst For Olefin Polymerization
The document discusses various methods and catalysts used in the polymerization of olefins, focusing on carboxylate metal complexes. It highlights the production of polar group-containing olefin copolymers and polymers, emphasizing the role of catalysts in synthesizing polyolefins and copolymers. The methods described include radical polymerization and the production of copolymers from allyl monomers with polar groups. The document provides insights into the production techniques and the significance of polar groups in enhancing the properties of olefin polymers.
72044-367 20250818 20250606 RESONAC CORP CRASUS CHEMICAL INC 23
Summary of Patents: Advanced Chemical Production Methods And Catalysis
The text outlines various advanced methods for producing alcohols, acetates, and other chemical compounds using specific catalysts and separation techniques. It includes processes like olefin hydration, distillation, and gas separation, emphasizing the use of heteropolyacid and solid acid catalysts. Additionally, it discusses the production of vinyl acetate and the use of metal complexes for hydrocarbon adsorption and gas separation. The focus is on improving efficiency and effectiveness in chemical manufacturing through innovative materials and methods.
72048-898 20250818 20250818 CALLAHAN CELLULAR LLC INTELLECTUAL VENTURES ASSETS 200 LLC 9
Summary of Patents: Inventory And Logistics Management Systems And Methods
The information provided describes various systems and methods related to inventory and logistics management. These include systems for building loads from requisitions, leveled-flow replenishment using deadband limits, sales force automation with focused account calling tools, managing collections of stock replenishment systems, sourcing orders for optimized logistics, and ordering groups of products. Each system or method aims to optimize processes such as inventory replenishment, sales force efficiency, logistics, and product demand management. The focus is on improving efficiency, reducing early deliveries, and maintaining optimal inventory levels.
72049-115 20250818 20250818 GULA CONSULTING LLC INTELLECTUAL VENTURES ASSETS 200 LLC 5
Summary of Patents: Automated Mobile Image Sharing And Event Notification System Methods
This system facilitates the automatic uploading and sharing of images from mobile devices equipped with cameras. It streamlines the process by eliminating manual steps, allowing users to effortlessly share their photos. Additionally, it includes a notification feature that alerts users when specific events occur, enhancing user engagement and interaction. The system is designed to work seamlessly with various mobile devices, ensuring compatibility and ease of use. It leverages animation and other visual elements to improve the user experience, making image sharing more dynamic and engaging.
72042-183 20250818 20240831 AB ENZYMES GMBH ROAL OY 33
Summary of Patents: Innovative Fungal Enzyme Variants For Enhanced Industrial Applications
The document discusses the development and use of variants of fungal serine protease enzymes. These variants are engineered to enhance specific properties such as stability and activity, making them more effective for industrial applications. The focus is on improving the enzyme's performance in various processes, potentially leading to more efficient and cost-effective solutions in industries that rely on protease enzymes. The document highlights the potential benefits of these variants in terms of increased efficiency and broader application possibilities.
72048-358 20250818 20250816 AIRGAP NETWORKS INC ZSCALER INC 17
Summary of Patents: Ransomware Lateral Movement Protection In Networked Environments
This document discusses methods for preventing the lateral movement of ransomware within networked environments, including on-premises and cloud data centers. It highlights the use of ARP control on network switches to establish point-to-point links between endpoints, thereby enhancing security and preventing ransomware propagation. The focus is on rapid, agentless protection strategies that safeguard endpoints deployed under default gateways, ensuring robust ransomware defense across various network configurations.
72048-74 20250818 20221201 TECHMAH MEDICAL LLC LIMA US INC 17
Summary of Patents: Surgical Navigation And Orthopedic Implants With Advanced Technologies
The information provided covers various aspects of bone reconstruction and orthopedic implants, focusing on advanced technologies such as surgical navigation systems using fluoroscopy and tracking sensors. It highlights the importance of kinematic alignment and novel femoral and tibial prosthetics, including tibial component placement guides and patella considerations. Additionally, it discusses ultra-wideband positioning for wireless ultrasound tracking and communication, dynamic orthopedic implant shapes, and femoral base plate THA. The methods and devices for knee surgery with inertial sensors are also mentioned, emphasizing the integration of motion data and inertial measurement units in surgical procedures.
72045-917 20250818 20250205 LILAC THERAPEUTICS INC HARP BIO INC 5
Summary of Patents: Cyclic And Acyclic Thiol Prodrugs In Pharmaceuticals
Cyclic and acyclic thiol prodrugs are specialized pharmaceutical compositions designed to enhance drug delivery and efficacy. These prodrugs undergo chemical transformations in the body to release active thiol compounds, which can improve therapeutic outcomes. By modifying the drug's structure, these prodrugs can optimize absorption, distribution, metabolism, and excretion, making them valuable in treating various medical conditions. Their design aims to increase stability and bioavailability, reduce side effects, and target specific tissues or cells, offering a promising approach in modern drug development and personalized medicine.
72043-43 20250818 20240229 DOS VIEJOS AMIGOS LLC GROOME INDUSTRIAL SERVICE GROUP LLC 5
Summary of Patents: Heat Recovery Steam Generator Cleaning System And Method
The document describes a cleaning system and method for heat recovery steam generators, focusing on a detonation delay assembly. It includes an explosive subsystem with detonation cords designed to efficiently clean the generator. The system aims to improve the cleaning process by utilizing controlled explosions to remove debris and deposits, enhancing the generator's performance and longevity. The method ensures safety and effectiveness in cleaning operations, providing a detailed approach to maintaining the generator's efficiency. This innovative cleaning solution addresses common challenges faced in maintaining heat recovery steam generators.