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For the Inventor, By the Inventor

Madras, OR, United States of America

Keith Investments, LLC


USPTO Granted Patents = 11

% Expired Patents = 36.4



Trademarks = 1

Forward Citations = 56

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7 inventors (with patents filed for the assignee):

goldMedal Raymond K Foster (10 out of 119 patents)

silverMedal Scott Michael Delamarter (2 out of 2 patents)

bronzeMedal John Cook (1 out of 8 patents)

4.  Randall Mark Foster (1 out of 12 patents)

5.  Kenneth Stout (1 out of 5 patents)

6.  William J Onricek (1 out of 1 patent)

7.  Manfred W Quaeck (1 out of 22 patents)

8.  Daniel W Jackson (12 patents)

9.  Brian Lance Salyer (1 patent)

10.  Raymond Keith Foster (1 patent)

11.  William J Ondricek (0 patent)

12.  Scott M Delamarter (0 patent)

13.  Scott M Delamarter (0 patent)


11 patents:

1. 7374034 - Reciprocating slat conveyor with bearing planks on fixed slats between moving slats (2008-05-20),
2. 7243780 - Conveyor slat drive beam connection (2007-07-17),
3. 7185755 - Slat conveyor having conveying slats and lifting/holding slats (2007-03-06),
4. 7131526 - Slat conveyor with V-slats and slat support beams (2006-11-07),
5. 7083041 - Slat conveyor having conveying slats and lifting slats (2006-08-01),
6. 7028832 - Drive unit mount for reciprocating slat conveyor (2006-04-18),
7. 6994012 - Drive units and drive assemblies (2006-02-07),
8. 6942089 - Sealless reciprocating slat conveyor having vertically installable components (2005-09-13),
9. 6889819 - Reciprocating floor conveyor with splash guard bearings (2005-05-10),
10. 6848569 - Reciprocating slat conveyor with fixed and movable slats (2005-02-01),
11. 6782994 - Heavy-duty reciprocating slat conveyor (2004-08-31),
Company Overview
Keith Investments, LLC is based in Madras, Oregon, and specializes in investment strategies across various sectors. The company focuses on identifying and nurturing innovative technologies and business ventures, aiming to drive growth and enhance value in its portfolio. With a keen interest in emerging markets, Keith Investments engages in sectors such as renewable energy, technology development, and sustainable practices, contributing to advancements that align with modern economic and environmental needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#2 in Madras, OR

#285 in Oregon

#27,514 in US

#51,761 in the World

Madras, OR (US)
Madras, OR, United States of America

Keith Investments, LLC

Forward Citations = 56

7 inventors:

goldMedal Raymond K Foster (10 out of 119 patents)

silverMedal Scott Michael Delamarter (2 out of 2 patents)

bronzeMedal John Cook (1 out of 8 patents)

4.  Randall Mark Foster (1 out of 12 patents)

5.  Kenneth Stout (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keith Investments, LLC. Retrieved from https://idiyas.com/company/keith-investments

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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