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For the Inventor, By the Inventor

Charlotte, NC, United States of America

Schaefer Systems International, Inc.

Calculating rank
USPTO Granted Patents = 11

% Expired Patents = 27.3



Trademarks = 12

Forward Citations = 143

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6 inventors (with patents filed for the assignee):

goldMedal Clinton Lawrence McDade (10 out of 14 patents)

silverMedal Hartmut Mause (1 out of 1 patent)

bronzeMedal Patrick Englert (1 out of 1 patent)

4.  Morris Marlow (1 out of 1 patent)

5.  Michael Daniel Lewis (1 out of 1 patent)

6.  Bruce B Karr (1 out of 1 patent)

7.  Clinton Lawrence Mcdade (0 patent)


11 patents:

1. 10427873 - Cluster-based-system and method for E-commerce-order fulfillment (2019-10-01),
2. 10427830 - Rotating sidewall stop for supporting folding sidewalls of a height-extended bulk box (2019-10-01),
3. 9365346 - Lift mechanism for roll-out waste bin and method (2016-06-14),
4. 7556165 - Collapsible box (2009-07-07),
5. D593751 - Cross-stacking container (2009-06-09),
6. 7503455 - Cross-stacking container (2009-03-17),
7. 7234598 - Material handling container with card holder (2007-06-26),
8. 7172088 - Insert for a rollout type waste container and waste container assembly (2007-02-06),
9. 6581771 - Stack and nest bail container (2003-06-24),
10. D423220 - Document storage and retaining device for mounting onto a storage (2000-04-25),
11. D375201 - Handle for a storage container (1996-11-05),
Company Overview
Schaefer Systems International, Inc. is a leading provider of advanced material handling solutions, specializing in automated systems and logistics technology. Based in Charlotte, NC, the company focuses on enhancing operational efficiency through innovative designs and engineering excellence. Their expertise spans various sectors, including warehousing, distribution, and manufacturing, where they develop tailored solutions that integrate seamlessly with existing workflows. Schaefer is committed to delivering high-quality products that optimize supply chain processes and improve overall productivity.
Profile summary synthesized from public USPTO records and patent filings.

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Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

11 Patents

#92 in Charlotte, NC

#583 in North Carolina

#27,540 in US

#51,831 in the World

Charlotte, NC (US)
Charlotte, NC, United States of America

Schaefer Systems International, Inc.

Forward Citations = 143

6 inventors:

goldMedal Clinton Lawrence McDade (10 out of 14 patents)

silverMedal Hartmut Mause (1 out of 1 patent)

bronzeMedal Patrick Englert (1 out of 1 patent)

4.  Morris Marlow (1 out of 1 patent)

5.  Michael Daniel Lewis (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Schaefer Systems International, Inc.. Retrieved from https://idiyas.com/company/schaefer-systems-international

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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