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Inventor

Derek Hammer

Inventor
San Francisco, CA, US

Overview

4→
Patents
2018–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes50%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing17%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data17%
H04LTransmission of digital information, e.g. telegraphic communication17%
PatentTitleYear
11,040,231Systems for dynamic resistance training202111,010,819Application programming interfaces for fulfilment services20219,934,530Application programming interfaces for courier services20189,928,540'System for integrating courier service with customer applications'2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to SQUARE INC (2)· patent assignee history
2018–2021Based in San Francisco, CA, US· patent location history
2021Patents assigned to ARENA INNOVATION CORP (1)· patent assignee history
2021Patents assigned to DOORDASH INC (1)· patent assignee history
2021Based in Douglasville, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SQUARE INC22018
ARENA INNOVATION CORP12021
DOORDASH INC12021
Locations
LocationPatentsSpan
San Francisco, California, US32018–2021
Douglasville, Georgia, US12021