SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

SILVER JACK

(Last)

(First)

(Middle)

C/O SIAR CAPITAL LLC

660 MADISON AVENUE

(Street)

NEW YORK

10021

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
KRONOS ADVANCED TECHNOLOGIES INC [ KNOS.OB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member 13(d) group owning +10%

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2007

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	12/31/2007		C		97,525,360	A	$0.003	97,525,360	I	See footnote.⁽¹⁾

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
See footnote.⁽²⁾	$0.003	12/31/2007		C			0⁽³⁾	⁽⁴⁾	06/19/2010	Common Stock	⁽⁴⁾	$0.003	0⁽⁵⁾	I	See footnote.⁽¹⁾

1. Name and Address of Reporting Person^*

SILVER JACK

(Last)

(First)

(Middle)

C/O SIAR CAPITAL LLC

660 MADISON AVENUE

(Street)

NEW YORK

10021

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member 13(d) group owning +10%

1. Name and Address of Reporting Person^*

HILLTOP HOLDING CO LP

(Last)

(First)

(Middle)

C/O SIAR CAPITAL LLC

660 MADISON AVENUE

(Street)

NEW YORK

10021

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member 13(d) group owning +10%

Explanation of Responses:

1. By Hilltop Holding Company, LP, a limited partnership of which Jack Silver is the general partner.

2. Secured Convertible Promissory Note due June 19, 2010 (the "Note").

3. $292,576.08

4. Immediately.

5. The number of shares of Common Stock the Note is convertible into is determined by dividing (x) that portion of the outstanding principal balance under the Note being converted as of the date of conversion by (y) the then applicable Conversion Price. The current outstanding principal balance of $1,047,423.92 is convertible into 349,141,307 shares of Common Stock. The holder of the Note may fund an additional $5,140,000 under the Note, which principal amount would be convertible into an additional 1,713,333,333 shares of Common Stock.

	/s/ Jack Silver	02/14/2008
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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